data_source string | missing int64 | skill_score float64 | difficulty string | initial_board string | initial_observation string | solution string | hint string | description string | cols int64 | rows int64 | rules string | task_name string | task_type string | title string | visual_elements string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hard_benchmark | 32 | 1 | easy | 5246.1.371..9....6369.2.5.1.32..98.5..574836.6..5.2.198.327619..96...2.8..18946.3 | 5 2 4 6 . 1 . 3 7
1 . . 9 . . . . 6
3 6 9 . 2 . 5 . 1
. 3 2 . . 9 8 . 5
. . 5 7 4 8 3 6 .
6 . . 5 . 2 . 1 9
8 . 3 2 7 6 1 9 .
. 9 6 . . . 2 . 8
. . 1 8 9 4 6 . 3 | 524681937187953426369427581732169845915748362648532719853276194496315278271894653 | 524681937187953426369427581732169845915748362648532719853276194496315278271894653 #1 Easy (128)
Naked Single: r1c5=8
Full House: r1c7=9
Naked Single: r4c4=1
Naked Single: r5c1=9
Naked Single: r6c5=3
Full House: r4c5=6
Naked Single: r5c9=2
Full House: r7c9=4
Full House: r5c2=1
Full House: r7c2=5
Naked Single: r2c7=4
Full House: r6c7=7
Full House: r4c8=4
Full House: r4c1=7
Naked Single: r3c4=4
Full House: r8c4=3
Naked Single: r3c6=7
Full House: r3c8=8
Full House: r2c8=2
Naked Single: r2c5=5
Full House: r2c6=3
Full House: r8c6=5
Full House: r8c5=1
Naked Single: r9c2=7
Naked Single: r6c3=8
Full House: r2c3=7
Full House: r2c2=8
Full House: r6c2=4
Naked Single: r8c1=4
Full House: r9c1=2
Full House: r8c8=7
Full House: r9c8=5
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_300 | sudoku | sudoku_300 | null |
hard_benchmark | 33 | 1 | easy | 798.413.2.63.8.79.5..7.3.6..32956187.51437..997..12..53....954.2.5..497...95..2.3 | 7 9 8 . 4 1 3 . 2
. 6 3 . 8 . 7 9 .
5 . . 7 . 3 . 6 .
. 3 2 9 5 6 1 8 7
. 5 1 4 3 7 . . 9
9 7 . . 1 2 . . 5
3 . . . . 9 5 4 .
2 . 5 . . 4 9 7 .
. . 9 5 . . 2 . 3 | 798641352163285794524793861432956187851437629976812435387129546215364978649578213 | 798641352163285794524793861432956187851437629976812435387129546215364978649578213 #1 Easy (132)
Full House: r4c1=4
Full House: r6c4=8
Naked Single: r1c8=5
Full House: r1c4=6
Naked Single: r3c3=4
Naked Single: r5c8=2
Naked Single: r2c6=5
Full House: r9c6=8
Naked Single: r6c8=3
Full House: r9c8=1
Naked Single: r8c5=6
Naked Single: r2c4=2
Full House: r3c5=9
Naked Single: r5c7=6
Full House: r5c1=8
Full House: r6c3=6
Full House: r6c7=4
Full House: r3c7=8
Full House: r7c3=7
Naked Single: r2c1=1
Full House: r9c1=6
Full House: r2c9=4
Full House: r3c9=1
Full House: r3c2=2
Naked Single: r9c2=4
Full House: r9c5=7
Full House: r7c5=2
Naked Single: r8c9=8
Full House: r7c9=6
Naked Single: r7c4=1
Full House: r7c2=8
Full House: r8c2=1
Full House: r8c4=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_334 | sudoku | sudoku_334 | null |
hard_benchmark | 33 | 1 | easy | 46.....92..3..2.655..46983...164532..42.1895.6.529.1488....62792...84.13...92158. | 4 6 . . . . . 9 2
. . 3 . . 2 . 6 5
5 . . 4 6 9 8 3 .
. . 1 6 4 5 3 2 .
. 4 2 . 1 8 9 5 .
6 . 5 2 9 . 1 4 8
8 . . . . 6 2 7 9
2 . . . 8 4 . 1 3
. . . 9 2 1 5 8 . | 468153792193872465527469831981645327742318956635297148814536279259784613376921584 | 468153792193872465527469831981645327742318956635297148814536279259784613376921584 #1 Easy (132)
Naked Single: r3c3=7
Naked Single: r1c7=7
Naked Single: r4c9=7
Full House: r5c9=6
Naked Single: r7c3=4
Naked Single: r2c5=7
Naked Single: r8c7=6
Full House: r2c7=4
Full House: r3c9=1
Full House: r9c9=4
Full House: r3c2=2
Naked Single: r1c3=8
Naked Single: r1c6=3
Full House: r6c6=7
Full House: r5c4=3
Full House: r6c2=3
Full House: r5c1=7
Naked Single: r4c1=9
Full House: r4c2=8
Naked Single: r9c3=6
Full House: r8c3=9
Naked Single: r1c5=5
Full House: r1c4=1
Full House: r7c5=3
Full House: r2c4=8
Naked Single: r7c4=5
Full House: r7c2=1
Full House: r8c4=7
Full House: r8c2=5
Naked Single: r9c2=7
Full House: r9c1=3
Full House: r2c1=1
Full House: r2c2=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_303 | sudoku | sudoku_303 | null |
hard_benchmark | 32 | 1 | easy | ....92485382...7.99457...1.513..96.8..96.415..64...29..58..197649782...11.69578.4 | . . . . 9 2 4 8 5
3 8 2 . . . 7 . 9
9 4 5 7 . . . 1 .
5 1 3 . . 9 6 . 8
. . 9 6 . 4 1 5 .
. 6 4 . . . 2 9 .
. 5 8 . . 1 9 7 6
4 9 7 8 2 . . . 1
1 . 6 9 5 7 8 . 4 | 671392485382145769945768312513279648729684153864513297258431976497826531136957824 | 671392485382145769945768312513279648729684153864513297258431976497826531136957824 #1 Easy (128)
Full House: r1c3=1
Naked Single: r2c8=6
Naked Single: r4c4=2
Naked Single: r1c2=7
Full House: r1c1=6
Full House: r1c4=3
Naked Single: r3c7=3
Full House: r3c9=2
Full House: r8c7=5
Naked Single: r4c8=4
Full House: r4c5=7
Naked Single: r7c1=2
Full House: r9c2=3
Full House: r5c2=2
Full House: r9c8=2
Full House: r8c8=3
Full House: r8c6=6
Naked Single: r2c6=5
Naked Single: r7c4=4
Full House: r7c5=3
Naked Single: r3c6=8
Full House: r3c5=6
Full House: r6c6=3
Naked Single: r2c4=1
Full House: r2c5=4
Full House: r6c4=5
Naked Single: r5c5=8
Full House: r6c5=1
Naked Single: r6c9=7
Full House: r5c9=3
Full House: r5c1=7
Full House: r6c1=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_353 | sudoku | sudoku_353 | null |
hard_benchmark | 30 | 1 | easy | ...52..13135.94682.42...59.6713528495.8..913..938.1..595....2..217945..838.2.795. | . . . 5 2 . . 1 3
1 3 5 . 9 4 6 8 2
. 4 2 . . . 5 9 .
6 7 1 3 5 2 8 4 9
5 . 8 . . 9 1 3 .
. 9 3 8 . 1 . . 5
9 5 . . . . 2 . .
2 1 7 9 4 5 . . 8
3 8 . 2 . 7 9 5 . | 769528413135794682842136597671352849528479136493861725954683271217945368386217954 | 769528413135794682842136597671352849528479136493861725954683271217945368386217954 #1 Easy (120)
Full House: r2c4=7
Naked Single: r3c9=7
Full House: r1c7=4
Naked Single: r5c2=2
Full House: r6c1=4
Full House: r1c2=6
Naked Single: r6c7=7
Full House: r8c7=3
Full House: r8c8=6
Naked Single: r3c1=8
Full House: r1c1=7
Full House: r1c3=9
Full House: r1c6=8
Naked Single: r5c9=6
Full House: r6c8=2
Full House: r6c5=6
Full House: r7c8=7
Naked Single: r5c4=4
Full House: r5c5=7
Naked Single: r9c5=1
Naked Single: r3c5=3
Full House: r7c5=8
Naked Single: r7c4=6
Full House: r3c4=1
Full House: r3c6=6
Full House: r7c6=3
Naked Single: r9c9=4
Full House: r7c9=1
Full House: r7c3=4
Full House: r9c3=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
" | sudoku_normal_hard_64 | sudoku | sudoku_normal_hard_64 | None |
hard_benchmark | 33 | 1 | easy | 92847..63..76238.91.3..8..7.9.784...4.259..3.8753.2.96.54.69...68.2379....91..682 | 9 2 8 4 7 . . 6 3
. . 7 6 2 3 8 . 9
1 . 3 . . 8 . . 7
. 9 . 7 8 4 . . .
4 . 2 5 9 . . 3 .
8 7 5 3 . 2 . 9 6
. 5 4 . 6 9 . . .
6 8 . 2 3 7 9 . .
. . 9 1 . . 6 8 2 | 928471563547623819163958247396784125412596738875312496254869371681237954739145682 | 928471563547623819163958247396784125412596738875312496254869371681237954739145682 #1 Easy (132)
Naked Single: r2c1=5
Naked Single: r3c4=9
Full House: r7c4=8
Naked Single: r3c5=5
Full House: r1c6=1
Full House: r1c7=5
Naked Single: r6c5=1
Full House: r9c5=4
Full House: r9c6=5
Full House: r5c6=6
Full House: r6c7=4
Naked Single: r2c2=4
Full House: r2c8=1
Full House: r3c2=6
Naked Single: r4c1=3
Naked Single: r8c3=1
Full House: r4c3=6
Full House: r5c2=1
Full House: r9c2=3
Full House: r9c1=7
Full House: r7c1=2
Naked Single: r7c9=1
Naked Single: r3c7=2
Full House: r3c8=4
Naked Single: r7c8=7
Full House: r7c7=3
Naked Single: r5c7=7
Full House: r5c9=8
Full House: r4c7=1
Naked Single: r4c9=5
Full House: r4c8=2
Full House: r8c8=5
Full House: r8c9=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_309 | sudoku | sudoku_309 | null |
hard_benchmark | 34 | 1 | easy | .7.218.656...4..193.56..482.491.2....519.48262...859....685..34..84..19.42..91658 | . 7 . 2 1 8 . 6 5
6 . . . 4 . . 1 9
3 . 5 6 . . 4 8 2
. 4 9 1 . 2 . . .
. 5 1 9 . 4 8 2 6
2 . . . 8 5 9 . .
. . 6 8 5 . . 3 4
. . 8 4 . . 1 9 .
4 2 . . 9 1 6 5 8 | 974218365682543719315679482849162573751934826263785941196857234538426197427391658 | 974218365682543719315679482849162573751934826263785941196857234538426197427391658 #1 Easy (136)
Naked Single: r1c7=3
Full House: r2c7=7
Naked Single: r1c3=4
Full House: r1c1=9
Naked Single: r5c1=7
Full House: r5c5=3
Naked Single: r2c3=2
Naked Single: r8c9=7
Full House: r7c7=2
Full House: r4c7=5
Naked Single: r2c2=8
Full House: r3c2=1
Naked Single: r8c2=3
Naked Single: r3c5=7
Full House: r3c6=9
Naked Single: r7c6=7
Naked Single: r4c8=7
Full House: r6c8=4
Naked Single: r2c6=3
Full House: r8c6=6
Full House: r2c4=5
Naked Single: r4c1=8
Naked Single: r6c3=3
Full House: r6c2=6
Full House: r7c2=9
Full House: r7c1=1
Full House: r8c1=5
Full House: r9c3=7
Full House: r9c4=3
Full House: r6c4=7
Full House: r4c5=6
Full House: r4c9=3
Full House: r8c5=2
Full House: r6c9=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_329 | sudoku | sudoku_329 | null |
hard_benchmark | 30 | 1 | easy | ..1..7.324...1875.9723.51.8.956832..624179....834526...4879...1.19.34.7.5.782194. | . . 1 . . 7 . 3 2
4 . . . 1 8 7 5 .
9 7 2 3 . 5 1 . 8
. 9 5 6 8 3 2 . .
6 2 4 1 7 9 . . .
. 8 3 4 5 2 6 . .
. 4 8 7 9 . . . 1
. 1 9 . 3 4 . 7 .
5 . 7 8 2 1 9 4 . | 851967432436218759972345168795683214624179385183452697348796521219534876567821943 | 851967432436218759972345168795683214624179385183452697348796521219534876567821943 #1 Easy (120)
Full House: r2c3=6
Full House: r7c6=6
Full House: r8c4=5
Naked Single: r5c8=8
Naked Single: r1c4=9
Full House: r2c4=2
Naked Single: r1c1=8
Naked Single: r8c1=2
Naked Single: r1c7=4
Naked Single: r3c8=6
Full House: r2c9=9
Full House: r2c2=3
Full House: r1c2=5
Full House: r1c5=6
Full House: r3c5=4
Full House: r9c2=6
Full House: r7c1=3
Full House: r9c9=3
Naked Single: r4c8=1
Naked Single: r7c8=2
Full House: r7c7=5
Full House: r6c8=9
Naked Single: r8c7=8
Full House: r8c9=6
Full House: r5c7=3
Full House: r5c9=5
Naked Single: r6c9=7
Full House: r4c9=4
Full House: r4c1=7
Full House: r6c1=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| sudoku_normal_hard_101 | sudoku | sudoku_normal_hard_101 | None |
hard_benchmark | 32 | 1 | easy | 1.6.8.2.449.6527133...1.85681..47.62.6423...1.3.16....6.15..9.75..376..8.738.1645 | 1 . 6 . 8 . 2 . 4
4 9 . 6 5 2 7 1 3
3 . . . 1 . 8 5 6
8 1 . . 4 7 . 6 2
. 6 4 2 3 . . . 1
. 3 . 1 6 . . . .
6 . 1 5 . . 9 . 7
5 . . 3 7 6 . . 8
. 7 3 8 . 1 6 4 5 | 156783294498652713327419856815947362964238571732165489681524937549376128273891645 | 156783294498652713327419856815947362964238571732165489681524937549376128273891645 #1 Easy (128)
Full House: r2c3=8
Full House: r1c8=9
Full House: r6c9=9
Naked Single: r4c4=9
Naked Single: r5c7=5
Naked Single: r7c5=2
Full House: r9c5=9
Full House: r7c6=4
Full House: r9c1=2
Naked Single: r1c2=5
Naked Single: r3c2=2
Full House: r3c3=7
Naked Single: r8c7=1
Naked Single: r8c8=2
Full House: r7c8=3
Full House: r7c2=8
Full House: r8c2=4
Full House: r8c3=9
Naked Single: r1c4=7
Full House: r1c6=3
Full House: r3c4=4
Full House: r3c6=9
Naked Single: r4c3=5
Full House: r4c7=3
Full House: r6c7=4
Full House: r6c3=2
Naked Single: r5c6=8
Full House: r6c6=5
Naked Single: r6c1=7
Full House: r5c1=9
Full House: r5c8=7
Full House: r6c8=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_311 | sudoku | sudoku_311 | null |
hard_benchmark | 26 | 1 | easy | .4.3...95..7..64388397.4.6.9251..8434.8532.193.1849.57.942.358178.41592.5.2.9..74 | . 4 . 3 . . . 9 5
. . 7 . . 6 4 3 8
8 3 9 7 . 4 . 6 .
9 2 5 1 . . 8 4 3
4 . 8 5 3 2 . 1 9
3 . 1 8 4 9 . 5 7
. 9 4 2 . 3 5 8 1
7 8 . 4 1 5 9 2 .
5 . 2 . 9 . . 7 4 | 246381795157926438839754162925167843478532619361849257694273581783415926512698374 | 246381795157926438839754162925167843478532619361849257694273581783415926512698374 #1 Easy (104)
Naked Single: r4c6=7
Full House: r4c5=6
Naked Single: r5c7=6
Full House: r5c2=7
Full House: r6c2=6
Full House: r6c7=2
Naked Single: r2c4=9
Full House: r9c4=6
Naked Single: r3c9=2
Full House: r8c9=6
Full House: r9c7=3
Full House: r8c3=3
Full House: r1c3=6
Naked Single: r7c1=6
Full House: r7c5=7
Full House: r9c6=8
Full House: r9c2=1
Full House: r1c6=1
Full House: r2c2=5
Naked Single: r3c7=1
Full House: r3c5=5
Full House: r1c7=7
Naked Single: r1c1=2
Full House: r1c5=8
Full House: r2c5=2
Full House: r2c1=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
" | sudoku_normal_hard_44 | sudoku | sudoku_normal_hard_44 | None |
hard_benchmark | 32 | 1 | easy | 4..8..2...1873.95.95..148375319..4..78412..95.9.4.518.14738..298.5.97.413.95..... | 4 . . 8 . . 2 . .
. 1 8 7 3 . 9 5 .
9 5 . . 1 4 8 3 7
5 3 1 9 . . 4 . .
7 8 4 1 2 . . 9 5
. 9 . 4 . 5 1 8 .
1 4 7 3 8 . . 2 9
8 . 5 . 9 7 . 4 1
3 . 9 5 . . . . . | 473859216618732954952614837531968472784123695296475183147386529865297341329541768 | 473859216618732954952614837531968472784123695296475183147386529865297341329541768 #1 Easy (128)
Naked Single: r7c6=6
Full House: r7c7=5
Naked Single: r1c9=6
Naked Single: r1c6=9
Naked Single: r2c6=2
Naked Single: r4c6=8
Naked Single: r5c6=3
Full House: r9c6=1
Full House: r5c7=6
Naked Single: r8c4=2
Full House: r9c5=4
Full House: r3c4=6
Full House: r1c5=5
Full House: r3c3=2
Naked Single: r1c2=7
Naked Single: r1c3=3
Full House: r1c8=1
Full House: r2c9=4
Full House: r2c1=6
Full House: r6c3=6
Full House: r6c1=2
Naked Single: r4c9=2
Naked Single: r9c9=8
Full House: r6c9=3
Full House: r4c8=7
Full House: r6c5=7
Full House: r4c5=6
Full House: r9c8=6
Naked Single: r8c7=3
Full House: r9c7=7
Full House: r8c2=6
Full House: r9c2=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_260 | sudoku | sudoku_260 | null |
hard_benchmark | 39 | 1 | easy | .596.1..347.9.3.6.3..54.......4.5.969247..8.1..58.97.47.21.....6.8354..7.432..61. | . 5 9 6 . 1 . . 3
4 7 . 9 . 3 . 6 .
3 . . 5 4 . . . .
. . . 4 . 5 . 9 6
9 2 4 7 . . 8 . 1
. . 5 8 . 9 7 . 4
7 . 2 1 . . . . .
6 . 8 3 5 4 . . 7
. 4 3 2 . . 6 1 . | 259671483471983562386542179837415296924736851165829734792168345618354927543297618 | 259671483471983562386542179837415296924736851165829734792168345618354927543297618 #1 Easy (156)
Naked Single: r5c6=6
Naked Single: r6c1=1
Naked Single: r2c3=1
Naked Single: r7c2=9
Naked Single: r8c8=2
Naked Single: r9c1=5
Full House: r8c2=1
Full House: r8c7=9
Naked Single: r5c5=3
Full House: r5c8=5
Naked Single: r7c6=8
Naked Single: r4c1=8
Full House: r1c1=2
Naked Single: r4c3=7
Full House: r3c3=6
Full House: r3c2=8
Naked Single: r6c8=3
Full House: r4c7=2
Naked Single: r9c9=8
Naked Single: r6c5=2
Full House: r6c2=6
Full House: r4c2=3
Full House: r4c5=1
Naked Single: r7c5=6
Naked Single: r7c9=5
Naked Single: r9c6=7
Full House: r3c6=2
Full House: r9c5=9
Naked Single: r1c7=4
Naked Single: r3c8=7
Naked Single: r7c8=4
Full House: r7c7=3
Full House: r1c8=8
Full House: r1c5=7
Full House: r2c5=8
Naked Single: r2c7=5
Full House: r3c7=1
Full House: r2c9=2
Full House: r3c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_336 | sudoku | sudoku_336 | null |
hard_benchmark | 35 | 1 | easy | 296.5.17.7.821.6..513467.8...29..413..95...26.81.24..7..7.85.4.8..7925..125..6.9. | 2 9 6 . 5 . 1 7 .
7 . 8 2 1 . 6 . .
5 1 3 4 6 7 . 8 .
. . 2 9 . . 4 1 3
. . 9 5 . . . 2 6
. 8 1 . 2 4 . . 7
. . 7 . 8 5 . 4 .
8 . . 7 9 2 5 . .
1 2 5 . . 6 . 9 . | 296853174748219635513467289652978413479531826381624957967185342834792561125346798 | 296853174748219635513467289652978413479531826381624957967185342834792561125346798 #1 Easy (140)
Full House: r2c2=4
Full House: r8c3=4
Naked Single: r1c9=4
Naked Single: r4c1=6
Naked Single: r5c7=8
Naked Single: r4c5=7
Naked Single: r6c7=9
Full House: r6c8=5
Naked Single: r8c9=1
Naked Single: r4c6=8
Full House: r4c2=5
Naked Single: r9c4=3
Naked Single: r9c9=8
Naked Single: r6c1=3
Full House: r6c4=6
Naked Single: r5c5=3
Full House: r9c5=4
Full House: r7c4=1
Full House: r1c4=8
Full House: r1c6=3
Full House: r9c7=7
Full House: r5c6=1
Full House: r2c6=9
Naked Single: r3c7=2
Full House: r3c9=9
Full House: r7c7=3
Naked Single: r2c8=3
Full House: r2c9=5
Full House: r7c9=2
Full House: r8c8=6
Full House: r8c2=3
Naked Single: r5c1=4
Full House: r5c2=7
Full House: r7c1=9
Full House: r7c2=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_411 | sudoku | sudoku_411 | null |
hard_benchmark | 37 | 1 | easy | 678..2..52..85476.14.9....2..47.5....2169.35.95.42....539...416.67.4..93..2369.7. | 6 7 8 . . 2 . . 5
2 . . 8 5 4 7 6 .
1 4 . 9 . . . . 2
. . 4 7 . 5 . . .
. 2 1 6 9 . 3 5 .
9 5 . 4 2 . . . .
5 3 9 . . . 4 1 6
. 6 7 . 4 . . 9 3
. . 2 3 6 9 . 7 . | 678132945293854761145976832384715629721698354956423187539287416867541293412369578 | 678132945293854761145976832384715629721698354956423187539287416867541293412369578 #1 Easy (148)
Naked Single: r3c7=8
Naked Single: r5c6=8
Naked Single: r2c2=9
Naked Single: r2c3=3
Full House: r2c9=1
Full House: r3c3=5
Full House: r6c3=6
Naked Single: r7c4=2
Naked Single: r4c2=8
Full House: r9c2=1
Naked Single: r8c1=8
Full House: r9c1=4
Naked Single: r1c4=1
Full House: r8c4=5
Naked Single: r6c8=8
Naked Single: r9c9=8
Full House: r9c7=5
Full House: r8c7=2
Full House: r8c6=1
Naked Single: r3c8=3
Naked Single: r5c1=7
Full House: r4c1=3
Full House: r5c9=4
Naked Single: r7c6=7
Full House: r7c5=8
Naked Single: r1c7=9
Full House: r1c8=4
Full House: r4c8=2
Full House: r1c5=3
Naked Single: r6c7=1
Full House: r4c7=6
Naked Single: r4c9=9
Full House: r6c9=7
Full House: r6c6=3
Full House: r4c5=1
Full House: r3c5=7
Full House: r3c6=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_409 | sudoku | sudoku_409 | null |
hard_benchmark | 39 | 1 | easy | 5..4.871.....1....416...2.89.1.5.8626...921.5852...97..649.3..1..5.8.42..8924.63. | 5 . . 4 . 8 7 1 .
. . . . 1 . . . .
4 1 6 . . . 2 . 8
9 . 1 . 5 . 8 6 2
6 . . . 9 2 1 . 5
8 5 2 . . . 9 7 .
. 6 4 9 . 3 . . 1
. . 5 . 8 . 4 2 .
. 8 9 2 4 . 6 3 . | 593428716728516394416739258941357862637892145852164973264973581375681429189245637 | 593428716728516394416739258941357862637892145852164973264973581375681429189245637 #1 Easy (156)
Naked Single: r7c7=5
Full House: r2c7=3
Naked Single: r1c3=3
Naked Single: r7c5=7
Naked Single: r5c8=4
Full House: r6c9=3
Naked Single: r9c9=7
Naked Single: r7c8=8
Full House: r7c1=2
Full House: r8c9=9
Naked Single: r5c3=7
Full House: r2c3=8
Naked Single: r3c5=3
Naked Single: r6c5=6
Full House: r1c5=2
Naked Single: r9c1=1
Full House: r9c6=5
Naked Single: r2c1=7
Full House: r8c1=3
Full House: r8c2=7
Naked Single: r1c9=6
Full House: r1c2=9
Full House: r2c9=4
Full House: r2c2=2
Naked Single: r5c2=3
Full House: r4c2=4
Full House: r5c4=8
Naked Single: r6c4=1
Full House: r6c6=4
Naked Single: r4c6=7
Full House: r4c4=3
Naked Single: r8c4=6
Full House: r8c6=1
Naked Single: r3c6=9
Full House: r2c6=6
Naked Single: r2c4=5
Full House: r2c8=9
Full House: r3c8=5
Full House: r3c4=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_396 | sudoku | sudoku_396 | null |
hard_benchmark | 30 | 1 | easy | ..412785.57....19.1.65.93.786..129353.5..6271.197536....36.1589658.....379..3546. | . . 4 1 2 7 8 5 .
5 7 . . . . 1 9 .
1 . 6 5 . 9 3 . 7
8 6 . . 1 2 9 3 5
3 . 5 . . 6 2 7 1
. 1 9 7 5 3 6 . .
. . 3 6 . 1 5 8 9
6 5 8 . . . . . 3
7 9 . . 3 5 4 6 . | 934127856572368194186549327867412935345986271219753648423671589658294713791835462 | 934127856572368194186549327867412935345986271219753648423671589658294713791835462 #1 Easy (120)
Full House: r8c7=7
Naked Single: r1c9=6
Naked Single: r4c3=7
Full House: r4c4=4
Naked Single: r1c1=9
Full House: r1c2=3
Naked Single: r5c2=4
Full House: r6c1=2
Full House: r7c1=4
Naked Single: r6c8=4
Full House: r6c9=8
Naked Single: r2c3=2
Full House: r3c2=8
Full House: r7c2=2
Full House: r7c5=7
Full House: r9c3=1
Naked Single: r8c6=4
Full House: r2c6=8
Naked Single: r9c9=2
Full House: r2c9=4
Full House: r3c8=2
Full House: r3c5=4
Full House: r8c8=1
Full House: r9c4=8
Naked Single: r8c5=9
Full House: r8c4=2
Naked Single: r2c4=3
Full House: r2c5=6
Full House: r5c4=9
Full House: r5c5=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_278 | sudoku | sudoku_278 | null |
hard_benchmark | 35 | 1 | easy | .9.6.3..12569813....72.....83152.67...51.7...6723.89..564.9213.1...36.527...15.96 | . 9 . 6 . 3 . . 1
2 5 6 9 8 1 3 . .
. . 7 2 . . . . .
8 3 1 5 2 . 6 7 .
. . 5 1 . 7 . . .
6 7 2 3 . 8 9 . .
5 6 4 . 9 2 1 3 .
1 . . . 3 6 . 5 2
7 . . . 1 5 . 9 6 | 498673521256981347317254869831529674945167283672348915564792138189436752723815496 | 498673521256981347317254869831529674945167283672348915564792138189436752723815496 #1 Easy (140)
Naked Single: r1c1=4
Naked Single: r2c8=4
Full House: r2c9=7
Naked Single: r5c2=4
Full House: r5c1=9
Full House: r3c1=3
Naked Single: r4c9=4
Full House: r4c6=9
Full House: r3c6=4
Naked Single: r6c5=4
Full House: r5c5=6
Naked Single: r1c3=8
Full House: r3c2=1
Naked Single: r8c2=8
Full House: r9c2=2
Naked Single: r6c8=1
Full House: r6c9=5
Naked Single: r7c9=8
Full House: r7c4=7
Naked Single: r3c5=5
Full House: r1c5=7
Naked Single: r1c8=2
Full House: r1c7=5
Naked Single: r8c3=9
Full House: r9c3=3
Naked Single: r3c9=9
Full House: r5c9=3
Naked Single: r9c7=4
Full House: r8c7=7
Full House: r8c4=4
Full House: r9c4=8
Naked Single: r3c7=8
Full House: r3c8=6
Full House: r5c8=8
Full House: r5c7=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_322 | sudoku | sudoku_322 | null |
hard_benchmark | 30 | 1 | easy | 1.3..78...7.148.35.45369.21..847.5.635.6..297.172..48343..12.58781...3..5.9.36174 | 1 . 3 . . 7 8 . .
. 7 . 1 4 8 . 3 5
. 4 5 3 6 9 . 2 1
. . 8 4 7 . 5 . 6
3 5 . 6 . . 2 9 7
. 1 7 2 . . 4 8 3
4 3 . . 1 2 . 5 8
7 8 1 . . . 3 . .
5 . 9 . 3 6 1 7 4 | 163527849972148635845369721298473516354681297617295483436712958781954362529836174 | 163527849972148635845369721298473516354681297617295483436712958781954362529836174 #1 Easy (120)
Full House: r4c8=1
Naked Single: r3c1=8
Full House: r3c7=7
Naked Single: r5c6=1
Naked Single: r5c3=4
Full House: r5c5=8
Naked Single: r1c4=5
Full House: r1c5=2
Naked Single: r6c6=5
Naked Single: r7c3=6
Full House: r9c2=2
Full House: r9c4=8
Full House: r2c3=2
Naked Single: r1c9=9
Full House: r8c9=2
Naked Single: r8c8=6
Full House: r7c7=9
Full House: r2c7=6
Full House: r1c8=4
Full House: r1c2=6
Full House: r4c2=9
Full House: r7c4=7
Full House: r8c4=9
Full House: r2c1=9
Naked Single: r4c6=3
Full House: r6c5=9
Full House: r8c6=4
Full House: r4c1=2
Full House: r6c1=6
Full House: r8c5=5
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_351 | sudoku | sudoku_351 | null |
hard_benchmark | 41 | 1 | easy | ..53.971...7.6...991.75823467...3..51.38.4962...6...8......7...7395..42.4.19..5.. | . . 5 3 . 9 7 1 .
. . 7 . 6 . . . 9
9 1 . 7 5 8 2 3 4
6 7 . . . 3 . . 5
1 . 3 8 . 4 9 6 2
. . . 6 . . . 8 .
. . . . . 7 . . .
7 3 9 5 . . 4 2 .
4 . 1 9 . . 5 . . | 845329716327461859916758234678293145153874962294615387582147693739586421461932578 | 845329716327461859916758234678293145153874962294615387582147693739586421461932578 #1 Easy (164)
Full House: r3c3=6
Naked Single: r5c2=5
Full House: r5c5=7
Naked Single: r2c8=5
Naked Single: r4c8=4
Naked Single: r4c7=1
Naked Single: r2c7=8
Full House: r1c9=6
Naked Single: r7c8=9
Full House: r9c8=7
Naked Single: r6c1=2
Naked Single: r4c4=2
Naked Single: r6c7=3
Full House: r6c9=7
Full House: r7c7=6
Naked Single: r1c1=8
Naked Single: r2c1=3
Full House: r7c1=5
Naked Single: r4c3=8
Full House: r4c5=9
Naked Single: r6c3=4
Full House: r7c3=2
Full House: r6c2=9
Naked Single: r6c5=1
Full House: r6c6=5
Naked Single: r7c2=8
Full House: r9c2=6
Naked Single: r8c5=8
Naked Single: r9c6=2
Naked Single: r8c9=1
Full House: r8c6=6
Full House: r2c6=1
Naked Single: r9c5=3
Full House: r9c9=8
Full House: r7c9=3
Naked Single: r2c4=4
Full House: r1c5=2
Full House: r7c5=4
Full House: r2c2=2
Full House: r7c4=1
Full House: r1c2=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_399 | sudoku | sudoku_399 | null |
hard_benchmark | 32 | 1 | easy | .596.81.2..83...79.2459.836.761.5....3..49681941.86...5.296...3.6.81.92.193..2768 | . 5 9 6 . 8 1 . 2
. . 8 3 . . . 7 9
. 2 4 5 9 . 8 3 6
. 7 6 1 . 5 . . .
. 3 . . 4 9 6 8 1
9 4 1 . 8 6 . . .
5 . 2 9 6 . . . 3
. 6 . 8 1 . 9 2 .
1 9 3 . . 2 7 6 8 | 359678142618324579724591836876135294235749681941286357582967413467813925193452768 | 359678142618324579724591836876135294235749681941286357582967413467813925193452768 #1 Easy (128)
Naked Single: r1c8=4
Full House: r2c7=5
Naked Single: r1c5=7
Full House: r1c1=3
Naked Single: r5c1=2
Naked Single: r5c3=5
Full House: r8c3=7
Full House: r4c1=8
Full House: r5c4=7
Naked Single: r4c9=4
Naked Single: r2c2=1
Full House: r7c2=8
Full House: r8c1=4
Naked Single: r2c5=2
Naked Single: r6c8=5
Naked Single: r2c1=6
Full House: r3c1=7
Full House: r3c6=1
Full House: r2c6=4
Naked Single: r7c7=4
Naked Single: r9c4=4
Full House: r9c5=5
Full House: r6c4=2
Full House: r4c5=3
Naked Single: r4c8=9
Full House: r7c8=1
Full House: r8c9=5
Full House: r8c6=3
Full House: r6c9=7
Full House: r7c6=7
Full House: r6c7=3
Full House: r4c7=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_346 | sudoku | sudoku_346 | null |
hard_benchmark | 29 | 1 | easy | 6..1923.8..9..52.4..2.389..53.947.26967.2.54182.5.67.927865.49...6.79..21932.46.7 | 6 . . 1 9 2 3 . 8
. . 9 . . 5 2 . 4
. . 2 . 3 8 9 . .
5 3 . 9 4 7 . 2 6
9 6 7 . 2 . 5 4 1
8 2 . 5 . 6 7 . 9
2 7 8 6 5 . 4 9 .
. . 6 . 7 9 . . 2
1 9 3 2 . 4 6 . 7 | 645192378389765214712438965531947826967823541824516739278651493456379182193284657 | 645192378389765214712438965531947826967823541824516739278651493456379182193284657 #1 Easy (116)
Naked Single: r4c7=8
Full House: r4c3=1
Full House: r6c8=3
Full House: r8c7=1
Full House: r6c3=4
Full House: r6c5=1
Full House: r1c3=5
Naked Single: r5c6=3
Full House: r5c4=8
Full House: r7c6=1
Full House: r7c9=3
Full House: r3c9=5
Naked Single: r2c4=7
Naked Single: r2c5=6
Full House: r9c5=8
Full House: r8c4=3
Full House: r3c4=4
Full House: r9c8=5
Full House: r8c8=8
Naked Single: r8c1=4
Full House: r8c2=5
Naked Single: r1c2=4
Full House: r1c8=7
Naked Single: r2c1=3
Full House: r3c1=7
Naked Single: r2c8=1
Full House: r2c2=8
Full House: r3c2=1
Full House: r3c8=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_321 | sudoku | sudoku_321 | null |
hard_benchmark | 28 | 1 | easy | 19.637.4574.215.935...4.71...71.45.98.9.231744517.963.974...3.1.82.9..57.15.729.8 | 1 9 . 6 3 7 . 4 5
7 4 . 2 1 5 . 9 3
5 . . . 4 . 7 1 .
. . 7 1 . 4 5 . 9
8 . 9 . 2 3 1 7 4
4 5 1 7 . 9 6 3 .
9 7 4 . . . 3 . 1
. 8 2 . 9 . . 5 7
. 1 5 . 7 2 9 . 8 | 198637245746215893523948716237164589869523174451789632974856321682391457315472968 | 198637245746215893523948716237164589869523174451789632974856321682391457315472968 #1 Easy (112)
Naked Single: r5c4=5
Full House: r5c2=6
Naked Single: r3c6=8
Full House: r3c4=9
Naked Single: r2c7=8
Full House: r2c3=6
Naked Single: r6c5=8
Full House: r6c9=2
Full House: r4c5=6
Full House: r3c9=6
Full House: r1c7=2
Full House: r1c3=8
Full House: r8c7=4
Full House: r3c3=3
Full House: r4c8=8
Full House: r7c5=5
Full House: r3c2=2
Full House: r4c2=3
Full House: r4c1=2
Naked Single: r9c8=6
Full House: r7c8=2
Naked Single: r7c4=8
Full House: r7c6=6
Full House: r8c6=1
Naked Single: r8c4=3
Full House: r8c1=6
Full House: r9c1=3
Full House: r9c4=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_341 | sudoku | sudoku_341 | null |
hard_benchmark | 35 | 1 | easy | ....18.4.78.4.25.1.4...98...7.1..4..3128.4.7.9.4627318.35246.894.7....63.98731..4 | . . . . 1 8 . 4 .
7 8 . 4 . 2 5 . 1
. 4 . . . 9 8 . .
. 7 . 1 . . 4 . .
3 1 2 8 . 4 . 7 .
9 . 4 6 2 7 3 1 8
. 3 5 2 4 6 . 8 9
4 . 7 . . . . 6 3
. 9 8 7 3 1 . . 4 | 263518947789462531541379826876153492312894675954627318135246789427985163698731254 | 263518947789462531541379826876153492312894675954627318135246789427985163698731254 #1 Easy (140)
Full House: r6c2=5
Naked Single: r7c1=1
Full House: r7c7=7
Naked Single: r8c2=2
Full House: r1c2=6
Full House: r9c1=6
Naked Single: r4c3=6
Full House: r4c1=8
Naked Single: r2c5=6
Naked Single: r8c6=5
Full House: r4c6=3
Naked Single: r9c7=2
Full House: r9c8=5
Full House: r8c7=1
Naked Single: r8c4=9
Full House: r8c5=8
Naked Single: r1c7=9
Full House: r5c7=6
Naked Single: r1c3=3
Naked Single: r2c8=3
Full House: r2c3=9
Full House: r3c3=1
Naked Single: r5c9=5
Full House: r5c5=9
Full House: r4c5=5
Full House: r3c5=7
Naked Single: r1c4=5
Full House: r3c4=3
Naked Single: r3c8=2
Full House: r4c8=9
Full House: r4c9=2
Naked Single: r1c1=2
Full House: r1c9=7
Full House: r3c1=5
Full House: r3c9=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_375 | sudoku | sudoku_375 | null |
hard_benchmark | 26 | 1 | easy | 7189256.4.6.8145722.46.719.12.4....5.46172..3..75.642.67.24.31...2751.464.13692.7 | 7 1 8 9 2 5 6 . 4
. 6 . 8 1 4 5 7 2
2 . 4 6 . 7 1 9 .
1 2 . 4 . . . . 5
. 4 6 1 7 2 . . 3
. . 7 5 . 6 4 2 .
6 7 . 2 4 . 3 1 .
. . 2 7 5 1 . 4 6
4 . 1 3 6 9 2 . 7 | 718925634963814572254637198129483765546172983837596421675248319392751846481369257 | 718925634963814572254637198129483765546172983837596421675248319392751846481369257 #1 Easy (104)
Full House: r1c8=3
Full House: r3c5=3
Full House: r3c9=8
Full House: r7c6=8
Full House: r3c2=5
Full House: r4c6=3
Naked Single: r5c8=8
Naked Single: r7c9=9
Full House: r6c9=1
Full House: r7c3=5
Naked Single: r9c2=8
Full House: r9c8=5
Full House: r4c8=6
Full House: r8c7=8
Naked Single: r4c3=9
Full House: r2c3=3
Full House: r2c1=9
Naked Single: r5c7=9
Full House: r4c7=7
Full House: r4c5=8
Full House: r5c1=5
Full House: r6c5=9
Naked Single: r6c2=3
Full House: r6c1=8
Full House: r8c1=3
Full House: r8c2=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| sudoku_normal_hard_110 | sudoku | sudoku_normal_hard_110 | None |
hard_benchmark | 13 | 1 | easy | 6947258133154.6.797.839154697.65.324.5293476.436.7295.2635.94.7549.6713.187243695 | 6 9 4 7 2 5 8 1 3
3 1 5 4 . 6 . 7 9
7 . 8 3 9 1 5 4 6
9 7 . 6 5 . 3 2 4
. 5 2 9 3 4 7 6 .
4 3 6 . 7 2 9 5 .
2 6 3 5 . 9 4 . 7
5 4 9 . 6 7 1 3 .
1 8 7 2 4 3 6 9 5 | 694725813315486279728391546971658324852934761436172958263519487549867132187243695 | 694725813315486279728391546971658324852934761436172958263519487549867132187243695 #1 Easy (52)
Full House: r2c5=8
Full House: r2c7=2
Full House: r3c2=2
Full House: r4c3=1
Full House: r4c6=8
Full House: r7c8=8
Full House: r5c1=8
Full House: r7c5=1
Full House: r8c4=8
Full House: r6c4=1
Full House: r8c9=2
Full House: r5c9=1
Full House: r6c9=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| sudoku_normal_hard_148 | sudoku | sudoku_normal_hard_148 | None |
hard_benchmark | 22 | 1 | easy | 3896.24172514879.6.4..9182.9.8146.726..2.8149412.7968..238657.4..471.2688..924..1 | 3 8 9 6 . 2 4 1 7
2 5 1 4 8 7 9 . 6
. 4 . . 9 1 8 2 .
9 . 8 1 4 6 . 7 2
6 . . 2 . 8 1 4 9
4 1 2 . 7 9 6 8 .
. 2 3 8 6 5 7 . 4
. . 4 7 1 . 2 6 8
8 . . 9 2 4 . . 1 | 389652417251487936746391825938146572675238149412579683123865794594713268867924351 | 389652417251487936746391825938146572675238149412579683123865794594713268867924351 #1 Easy (88)
Full House: r1c5=5
Full House: r2c8=3
Full House: r8c6=3
Full House: r3c4=3
Full House: r5c5=3
Full House: r3c9=5
Full House: r6c4=5
Full House: r6c9=3
Full House: r4c7=5
Full House: r4c2=3
Full House: r9c7=3
Naked Single: r3c1=7
Full House: r3c3=6
Naked Single: r7c8=9
Full House: r7c1=1
Full House: r8c1=5
Full House: r8c2=9
Full House: r9c8=5
Naked Single: r5c2=7
Full House: r5c3=5
Full House: r9c3=7
Full House: r9c2=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| sudoku_normal_hard_130 | sudoku | sudoku_normal_hard_130 | None |
hard_benchmark | 31 | 1 | easy | .15..68..86.27.9159..518362.3.765.2.4.29.175.7...4.19.698.5.2715..1.96...416.75.9 | . 1 5 . . 6 8 . .
8 6 . 2 7 . 9 1 5
9 . . 5 1 8 3 6 2
. 3 . 7 6 5 . 2 .
4 . 2 9 . 1 7 5 .
7 . . . 4 . 1 9 .
6 9 8 . 5 . 2 7 1
5 . . 1 . 9 6 . .
. 4 1 6 . 7 5 . 9 | 215396847863274915974518362139765428482931756756842193698453271527189634341627589 | 215396847863274915974518362139765428482931756756842193698453271527189634341627589 #1 Easy (124)
Full House: r4c7=4
Naked Single: r4c1=1
Naked Single: r5c2=8
Naked Single: r6c3=6
Naked Single: r1c8=4
Full House: r1c9=7
Naked Single: r3c2=7
Full House: r3c3=4
Naked Single: r4c3=9
Full House: r4c9=8
Full House: r6c2=5
Full House: r8c2=2
Naked Single: r5c5=3
Full House: r5c9=6
Full House: r6c9=3
Full House: r8c9=4
Naked Single: r1c4=3
Naked Single: r2c3=3
Full House: r1c1=2
Full House: r9c1=3
Full House: r1c5=9
Full House: r2c6=4
Full House: r8c3=7
Naked Single: r6c4=8
Full House: r6c6=2
Full House: r7c4=4
Full House: r7c6=3
Naked Single: r8c5=8
Full House: r8c8=3
Full House: r9c8=8
Full House: r9c5=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_296 | sudoku | sudoku_296 | null |
hard_benchmark | 28 | 1 | easy | 3.6...97.758.69.32...73.8655.4287391.8.3.42.62...96.8.413.7.629.95..1743672943..8 | 3 . 6 . . . 9 7 .
7 5 8 . 6 9 . 3 2
. . . 7 3 . 8 6 5
5 . 4 2 8 7 3 9 1
. 8 . 3 . 4 2 . 6
2 . . . 9 6 . 8 .
4 1 3 . 7 . 6 2 9
. 9 5 . . 1 7 4 3
6 7 2 9 4 3 . . 8 | 326158974758469132149732865564287391987314256231596487413875629895621743672943518 | 326158974758469132149732865564287391987314256231596487413875629895621743672943518 #1 Easy (112)
Full House: r4c2=6
Full House: r8c1=8
Naked Single: r1c9=4
Full House: r2c7=1
Full House: r6c9=7
Full House: r2c4=4
Naked Single: r5c8=5
Full House: r6c7=4
Full House: r9c7=5
Full House: r9c8=1
Naked Single: r3c6=2
Naked Single: r8c5=2
Full House: r8c4=6
Naked Single: r6c2=3
Naked Single: r1c2=2
Full House: r3c2=4
Naked Single: r6c3=1
Full House: r6c4=5
Full House: r5c5=1
Full House: r1c5=5
Naked Single: r3c3=9
Full House: r3c1=1
Full House: r5c1=9
Full House: r5c3=7
Naked Single: r7c4=8
Full House: r1c4=1
Full House: r1c6=8
Full House: r7c6=5
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_253 | sudoku | sudoku_253 | null |
hard_benchmark | 31 | 1 | easy | 5..3.9482.93.82.6.8...1...9.526..7.867985...434892..1.9652.3..12341986...815..923 | 5 . . 3 . 9 4 8 2
. 9 3 . 8 2 . 6 .
8 . . . 1 . . . 9
. 5 2 6 . . 7 . 8
6 7 9 8 5 . . . 4
3 4 8 9 2 . . 1 .
9 6 5 2 . 3 . . 1
2 3 4 1 9 8 6 . .
. 8 1 5 . . 9 2 3 | 517369482493782165826415379152634798679851234348927516965273841234198657781546923 | 517369482493782165826415379152634798679851234348927516965273841234198657781546923 #1 Easy (124)
Full House: r4c1=1
Full House: r9c1=7
Full House: r2c1=4
Naked Single: r6c6=7
Naked Single: r1c2=1
Full House: r3c2=2
Naked Single: r5c6=1
Naked Single: r7c7=8
Naked Single: r6c7=5
Full House: r6c9=6
Naked Single: r5c8=3
Full House: r5c7=2
Full House: r4c8=9
Naked Single: r4c6=4
Full House: r4c5=3
Naked Single: r2c4=7
Full House: r3c4=4
Naked Single: r2c7=1
Full House: r3c7=3
Full House: r2c9=5
Full House: r3c8=7
Full House: r8c9=7
Full House: r8c8=5
Full House: r7c8=4
Full House: r7c5=7
Naked Single: r9c6=6
Full House: r3c6=5
Full House: r1c5=6
Full House: r3c3=6
Full House: r9c5=4
Full House: r1c3=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_254 | sudoku | sudoku_254 | null |
hard_benchmark | 31 | 1 | easy | 57.3.829.342.59.879.8721.5...7183...293...7.88.6972.4..8921.534.3..9..72.25..4.61 | 5 7 . 3 . 8 2 9 .
3 4 2 . 5 9 . 8 7
9 . 8 7 2 1 . 5 .
. . 7 1 8 3 . . .
2 9 3 . . . 7 . 8
8 . 6 9 7 2 . 4 .
. 8 9 2 1 . 5 3 4
. 3 . . 9 . . 7 2
. 2 5 . . 4 . 6 1 | 571348296342659187968721453457183629293465718816972345689217534134596872725834961 | 571348296342659187968721453457183629293465718816972345689217534134596872725834961 #1 Easy (124)
Naked Single: r2c4=6
Full House: r1c5=4
Full House: r2c7=1
Naked Single: r3c2=6
Full House: r1c3=1
Full House: r1c9=6
Full House: r8c3=4
Naked Single: r4c1=4
Naked Single: r4c2=5
Full House: r6c2=1
Naked Single: r4c8=2
Full House: r5c8=1
Naked Single: r9c4=8
Naked Single: r9c5=3
Full House: r5c5=6
Naked Single: r8c7=8
Full House: r9c7=9
Full House: r9c1=7
Naked Single: r6c7=3
Full House: r6c9=5
Naked Single: r3c9=3
Full House: r4c9=9
Full House: r4c7=6
Full House: r3c7=4
Naked Single: r8c4=5
Full House: r5c4=4
Full House: r5c6=5
Naked Single: r7c1=6
Full House: r7c6=7
Full House: r8c6=6
Full House: r8c1=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_387 | sudoku | sudoku_387 | null |
hard_benchmark | 24 | 1 | easy | .61.378..7..8126.928.64537117658..23.2837.1655..261.87..7.26598..21987...947.3216 | . 6 1 . 3 7 8 . .
7 . . 8 1 2 6 . 9
2 8 . 6 4 5 3 7 1
1 7 6 5 8 . . 2 3
. 2 8 3 7 . 1 6 5
5 . . 2 6 1 . 8 7
. . 7 . 2 6 5 9 8
. . 2 1 9 8 7 . .
. 9 4 7 . 3 2 1 6 | 461937852735812649289645371176589423928374165543261987317426598652198734894753216 | 461937852735812649289645371176589423928374165543261987317426598652198734894753216 #1 Easy (96)
Full House: r1c4=9
Full House: r3c3=9
Full House: r7c4=4
Full House: r9c5=5
Full House: r9c1=8
Naked Single: r7c1=3
Full House: r7c2=1
Naked Single: r8c9=4
Full House: r1c9=2
Full House: r8c8=3
Naked Single: r1c1=4
Full House: r1c8=5
Full House: r2c8=4
Naked Single: r6c3=3
Full House: r2c3=5
Full House: r2c2=3
Naked Single: r8c1=6
Full House: r8c2=5
Full House: r5c1=9
Full House: r6c2=4
Full House: r5c6=4
Full House: r6c7=9
Full House: r4c6=9
Full House: r4c7=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_251 | sudoku | sudoku_251 | null |
hard_benchmark | 30 | 1 | easy | .67.45....452..8.729176.35443.51..2665..274317..4.6.98.8..5367.9.36.4.85576..2.4. | . 6 7 . 4 5 . . .
. 4 5 2 . . 8 . 7
2 9 1 7 6 . 3 5 4
4 3 . 5 1 . . 2 6
6 5 . . 2 7 4 3 1
7 . . 4 . 6 . 9 8
. 8 . . 5 3 6 7 .
9 . 3 6 . 4 . 8 5
5 7 6 . . 2 . 4 . | 867345219345291867291768354438519726659827431712436598184953672923674185576182943 | 867345219345291867291768354438519726659827431712436598184953672923674185576182943 #1 Easy (120)
Full House: r3c6=8
Naked Single: r2c1=3
Full House: r1c1=8
Full House: r7c1=1
Naked Single: r1c8=1
Full House: r2c8=6
Naked Single: r4c7=7
Full House: r6c7=5
Naked Single: r6c3=2
Naked Single: r6c5=3
Full House: r6c2=1
Full House: r8c2=2
Full House: r7c3=4
Naked Single: r8c5=7
Full House: r8c7=1
Naked Single: r4c6=9
Full House: r2c6=1
Full House: r2c5=9
Full House: r4c3=8
Full House: r5c4=8
Full House: r1c4=3
Full House: r9c5=8
Full House: r5c3=9
Naked Single: r7c4=9
Full House: r7c9=2
Full House: r9c4=1
Naked Single: r9c7=9
Full House: r1c7=2
Full House: r1c9=9
Full House: r9c9=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_345 | sudoku | sudoku_345 | null |
hard_benchmark | 33 | 1 | easy | .51476..88..2.9..1..931.24....9.48..342.81.976.87253.4523.4...9.17.624...8619..52 | . 5 1 4 7 6 . . 8
8 . . 2 . 9 . . 1
. . 9 3 1 . 2 4 .
. . . 9 . 4 8 . .
3 4 2 . 8 1 . 9 7
6 . 8 7 2 5 3 . 4
5 2 3 . 4 . . . 9
. 1 7 . 6 2 4 . .
. 8 6 1 9 . . 5 2 | 251476938834259671769318245175934826342681597698725314523847169917562483486193752 | 251476938834259671769318245175934826342681597698725314523847169917562483486193752 #1 Easy (132)
Naked Single: r2c5=5
Full House: r3c6=8
Full House: r4c5=3
Full House: r5c4=6
Full House: r5c7=5
Naked Single: r1c1=2
Naked Single: r1c8=3
Full House: r1c7=9
Naked Single: r3c1=7
Naked Single: r6c8=1
Full House: r6c2=9
Naked Single: r4c2=7
Naked Single: r4c3=5
Full House: r2c3=4
Full House: r4c1=1
Naked Single: r8c1=9
Full House: r9c1=4
Naked Single: r7c4=8
Full House: r8c4=5
Naked Single: r8c9=3
Full House: r8c8=8
Naked Single: r9c7=7
Full House: r9c6=3
Full House: r7c6=7
Naked Single: r4c9=6
Full House: r3c9=5
Full House: r3c2=6
Full House: r4c8=2
Full House: r2c2=3
Naked Single: r2c7=6
Full House: r2c8=7
Full House: r7c8=6
Full House: r7c7=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_384 | sudoku | sudoku_384 | null |
hard_benchmark | 22 | 1 | easy | 1.3.295.68.26.539..563..27.31.56792.5.91.2763267.93.1562193..5773.2561.9.957.1632 | 1 . 3 . 2 9 5 . 6
8 . 2 6 . 5 3 9 .
. 5 6 3 . . 2 7 .
3 1 . 5 6 7 9 2 .
5 . 9 1 . 2 7 6 3
2 6 7 . 9 3 . 1 5
6 2 1 9 3 . . 5 7
7 3 . 2 5 6 1 . 9
. 9 5 7 . 1 6 3 2 | 173429586842675391956318274314567928589142763267893415621934857738256149495781632 | 173429586842675391956318274314567928589142763267893415621934857738256149495781632 #1 Easy (88)
Naked Single: r9c1=4
Full House: r3c1=9
Full House: r8c3=8
Full House: r9c5=8
Full House: r4c3=4
Full House: r8c8=4
Full House: r7c6=4
Full House: r4c9=8
Full House: r5c2=8
Full House: r5c5=4
Full House: r1c8=8
Full House: r7c7=8
Full House: r3c6=8
Full House: r6c7=4
Full House: r6c4=8
Full House: r1c4=4
Full House: r1c2=7
Full House: r2c2=4
Naked Single: r3c5=1
Full House: r2c5=7
Full House: r2c9=1
Full House: r3c9=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_291 | sudoku | sudoku_291 | null |
hard_benchmark | 33 | 1 | easy | 73.51.4.66.53....1..478659385.4376.9.43.958...67821...57926....4..9.3.6.32.1..9.5 | 7 3 . 5 1 . 4 . 6
6 . 5 3 . . . . 1
. . 4 7 8 6 5 9 3
8 5 . 4 3 7 6 . 9
. 4 3 . 9 5 8 . .
. 6 7 8 2 1 . . .
5 7 9 2 6 . . . .
4 . . 9 . 3 . 6 .
3 2 . 1 . . 9 . 5 | 738519426695342781214786593852437619143695872967821354579264138481953267326178945 | 738519426695342781214786593852437619143695872967821354579264138481953267326178945 #1 Easy (132)
Full House: r5c4=6
Naked Single: r2c5=4
Naked Single: r6c1=9
Naked Single: r6c7=3
Naked Single: r3c2=1
Full House: r3c1=2
Full House: r5c1=1
Full House: r4c3=2
Full House: r4c8=1
Naked Single: r6c9=4
Full House: r6c8=5
Naked Single: r9c5=7
Full House: r8c5=5
Naked Single: r7c7=1
Naked Single: r8c2=8
Full House: r2c2=9
Full House: r1c3=8
Naked Single: r7c9=8
Naked Single: r8c3=1
Full House: r9c3=6
Naked Single: r2c6=2
Full House: r1c6=9
Full House: r1c8=2
Naked Single: r7c6=4
Full House: r7c8=3
Full House: r9c6=8
Full House: r9c8=4
Naked Single: r2c7=7
Full House: r2c8=8
Full House: r5c8=7
Full House: r8c7=2
Full House: r5c9=2
Full House: r8c9=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_290 | sudoku | sudoku_290 | null |
hard_benchmark | 29 | 1 | easy | 7..5214.6.9176.258562.947.16..43718..4718.56.21.6....4176.458...34..6..59.5..8647 | 7 . . 5 2 1 4 . 6
. 9 1 7 6 . 2 5 8
5 6 2 . 9 4 7 . 1
6 . . 4 3 7 1 8 .
. 4 7 1 8 . 5 6 .
2 1 . 6 . . . . 4
1 7 6 . 4 5 8 . .
. 3 4 . . 6 . . 5
9 . 5 . . 8 6 4 7 | 783521496491763258562894731659437182347182569218659374176945823834276915925318647 | 783521496491763258562894731659437182347182569218659374176945823834276915925318647 #1 Easy (116)
Naked Single: r2c6=3
Full House: r2c1=4
Full House: r3c4=8
Full House: r3c8=3
Full House: r1c8=9
Naked Single: r6c5=5
Naked Single: r4c2=5
Naked Single: r6c6=9
Full House: r5c6=2
Naked Single: r1c2=8
Full House: r9c2=2
Full House: r8c1=8
Full House: r5c1=3
Full House: r1c3=3
Full House: r5c9=9
Naked Single: r8c7=9
Full House: r6c7=3
Naked Single: r4c3=9
Full House: r6c3=8
Full House: r6c8=7
Full House: r4c9=2
Full House: r7c9=3
Naked Single: r9c5=1
Full House: r9c4=3
Full House: r8c5=7
Naked Single: r7c8=2
Full House: r7c4=9
Full House: r8c4=2
Full House: r8c8=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_255 | sudoku | sudoku_255 | null |
hard_benchmark | 36 | 1 | easy | ..53..14..1....938..896.7.5529.48361.63.9..8..8.13.5..6.1.2387.8..67.21.73.8..65. | . . 5 3 . . 1 4 .
. 1 . . . . 9 3 8
. . 8 9 6 . 7 . 5
5 2 9 . 4 8 3 6 1
. 6 3 . 9 . . 8 .
. 8 . 1 3 . 5 . .
6 . 1 . 2 3 8 7 .
8 . . 6 7 . 2 1 .
7 3 . 8 . . 6 5 . | 975382146216457938348961725529748361163295487487136592691523874854679213732814659 | 975382146216457938348961725529748361163295487487136592691523874854679213732814659 #1 Easy (144)
Full House: r4c4=7
Full House: r5c7=4
Naked Single: r3c8=2
Full House: r1c9=6
Full House: r6c8=9
Naked Single: r1c5=8
Naked Single: r2c5=5
Full House: r9c5=1
Naked Single: r8c3=4
Naked Single: r6c1=4
Naked Single: r3c2=4
Naked Single: r5c1=1
Full House: r6c3=7
Naked Single: r9c3=2
Full House: r2c3=6
Naked Single: r2c1=2
Naked Single: r3c1=3
Full House: r3c6=1
Full House: r1c1=9
Full House: r1c2=7
Full House: r1c6=2
Naked Single: r6c9=2
Full House: r6c6=6
Full House: r5c9=7
Naked Single: r2c4=4
Full House: r2c6=7
Naked Single: r5c6=5
Full House: r5c4=2
Full House: r7c4=5
Naked Single: r8c6=9
Full House: r9c6=4
Full House: r9c9=9
Naked Single: r7c2=9
Full House: r8c2=5
Full House: r8c9=3
Full House: r7c9=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_318 | sudoku | sudoku_318 | null |
hard_benchmark | 33 | 1 | easy | 3971.5..82..8963.75.84..12.1..97854..865.127..7...2.8172.6538..6.4.8..3.8..7.469. | 3 9 7 1 . 5 . . 8
2 . . 8 9 6 3 . 7
5 . 8 4 . . 1 2 .
1 . . 9 7 8 5 4 .
. 8 6 5 . 1 2 7 .
. 7 . . . 2 . 8 1
7 2 . 6 5 3 8 . .
6 . 4 . 8 . . 3 .
8 . . 7 . 4 6 9 . | 397125468241896357568437129132978546986541273475362981729653814614289735853714692 | 397125468241896357568437129132978546986541273475362981729653814614289735853714692 #1 Easy (132)
Naked Single: r1c5=2
Naked Single: r3c2=6
Naked Single: r3c5=3
Full House: r3c6=7
Full House: r8c6=9
Full House: r3c9=9
Naked Single: r1c8=6
Full House: r1c7=4
Full House: r2c8=5
Full House: r7c8=1
Naked Single: r4c2=3
Naked Single: r6c4=3
Full House: r8c4=2
Full House: r9c5=1
Naked Single: r2c3=1
Full House: r2c2=4
Naked Single: r6c7=9
Full House: r8c7=7
Naked Single: r7c9=4
Full House: r7c3=9
Naked Single: r5c5=4
Full House: r6c5=6
Naked Single: r5c9=3
Full House: r4c9=6
Full House: r4c3=2
Full House: r5c1=9
Full House: r6c1=4
Full House: r6c3=5
Full House: r9c3=3
Naked Single: r8c9=5
Full House: r8c2=1
Full House: r9c2=5
Full House: r9c9=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_257 | sudoku | sudoku_257 | null |
hard_benchmark | 23 | 1 | easy | 6.7.2.95...8.95.1...43.6.7.185963427426..7391793..25685716..239869...745342579186 | 6 . 7 . 2 . 9 5 .
. . 8 . 9 5 . 1 .
. . 4 3 . 6 . 7 .
1 8 5 9 6 3 4 2 7
4 2 6 . . 7 3 9 1
7 9 3 . . 2 5 6 8
5 7 1 6 . . 2 3 9
8 6 9 . . . 7 4 5
3 4 2 5 7 9 1 8 6 | 617428953238795614954316872185963427426857391793142568571684239869231745342579186 | 617428953238795614954316872185963427426857391793142568571684239869231745342579186 #1 Easy (92)
Naked Single: r2c2=3
Naked Single: r3c9=2
Naked Single: r2c7=6
Full House: r3c7=8
Naked Single: r8c6=1
Naked Single: r2c1=2
Full House: r3c1=9
Naked Single: r5c4=8
Full House: r5c5=5
Naked Single: r1c2=1
Full House: r3c2=5
Full House: r3c5=1
Naked Single: r2c9=4
Full House: r1c9=3
Full House: r2c4=7
Naked Single: r8c4=2
Full House: r8c5=3
Naked Single: r1c4=4
Full House: r1c6=8
Full House: r6c4=1
Full House: r6c5=4
Full House: r7c6=4
Full House: r7c5=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_102 | sudoku | sudoku_102 | null |
hard_benchmark | 17 | 1 | easy | 167245..3953187462824693715638472159712956348495...276...5.46.1.41.695.7..67..934 | 1 6 7 2 4 5 . . 3
9 5 3 1 8 7 4 6 2
8 2 4 6 9 3 7 1 5
6 3 8 4 7 2 1 5 9
7 1 2 9 5 6 3 4 8
4 9 5 . . . 2 7 6
. . . 5 . 4 6 . 1
. 4 1 . 6 9 5 . 7
. . 6 7 . . 9 3 4 | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 #1 Easy (68)
Full House: r7c3=9
Full House: r1c7=8
Full House: r1c8=9
Naked Single: r9c2=8
Full House: r7c2=7
Naked Single: r9c6=1
Full House: r6c6=8
Naked Single: r9c5=2
Full House: r9c1=5
Naked Single: r6c4=3
Full House: r6c5=1
Full House: r7c5=3
Full House: r8c4=8
Naked Single: r7c1=2
Full House: r7c8=8
Full House: r8c8=2
Full House: r8c1=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_15 | sudoku | sudoku_15 | null |
hard_benchmark | 19 | 1 | easy | 6..823147.8.614529.1.5976835..361278.3.752496.6.4893518.3.7596.4.693871.971.4683. | 6 . . 8 2 3 1 4 7
. 8 . 6 1 4 5 2 9
. 1 . 5 9 7 6 8 3
5 . . 3 6 1 2 7 8
. 3 . 7 5 2 4 9 6
. 6 . 4 8 9 3 5 1
8 . 3 . 7 5 9 6 .
4 . 6 9 3 8 7 1 .
9 7 1 . 4 6 8 3 . | 695823147387614529214597683549361278138752496762489351823175964456938712971246835 | 695823147387614529214597683549361278138752496762489351823175964456938712971246835 #1 Easy (76)
Naked Single: r5c1=1
Full House: r5c3=8
Naked Single: r2c3=7
Full House: r2c1=3
Naked Single: r3c1=2
Full House: r3c3=4
Full House: r6c1=7
Full House: r6c3=2
Naked Single: r7c2=2
Full House: r8c2=5
Full House: r8c9=2
Naked Single: r9c4=2
Full House: r7c4=1
Full House: r7c9=4
Full House: r9c9=5
Naked Single: r4c3=9
Full House: r1c3=5
Full House: r1c2=9
Full House: r4c2=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_66 | sudoku | sudoku_66 | null |
hard_benchmark | 19 | 1 | easy | 94.621835283759146615834..21342685...2.175463..69432184...9762.3.2.16.8.7.148235. | 9 4 . 6 2 1 8 3 5
2 8 3 7 5 9 1 4 6
6 1 5 8 3 4 . . 2
1 3 4 2 6 8 5 . .
. 2 . 1 7 5 4 6 3
. . 6 9 4 3 2 1 8
4 . . . 9 7 6 2 .
3 . 2 . 1 6 . 8 .
7 . 1 4 8 2 3 5 . | 947621835283759146615834972134268597829175463576943218458397621392516784761482359 | 947621835283759146615834972134268597829175463576943218458397621392516784761482359 #1 Easy (76)
Full House: r1c3=7
Naked Single: r5c1=8
Full House: r6c1=5
Full House: r5c3=9
Full House: r7c3=8
Full House: r6c2=7
Naked Single: r7c9=1
Naked Single: r7c2=5
Full House: r7c4=3
Full House: r8c4=5
Naked Single: r9c9=9
Full House: r9c2=6
Full House: r8c2=9
Naked Single: r4c9=7
Full House: r4c8=9
Full House: r8c9=4
Full House: r8c7=7
Full House: r3c8=7
Full House: r3c7=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_91 | sudoku | sudoku_91 | null |
hard_benchmark | 22 | 1 | easy | 5.48.71...876.15.316.45378..9.16.4574..73.918.1.9..326845376291623519874...284635 | 5 . 4 8 . 7 1 . .
. 8 7 6 . 1 5 . 3
1 6 . 4 5 3 7 8 .
. 9 . 1 6 . 4 5 7
4 . . 7 3 . 9 1 8
. 1 . 9 . . 3 2 6
8 4 5 3 7 6 2 9 1
6 2 3 5 1 9 8 7 4
. . . 2 8 4 6 3 5 | 534827169287691543169453782392168457456732918718945326845376291623519874971284635 | 534827169287691543169453782392168457456732918718945326845376291623519874971284635 #1 Easy (88)
Naked Single: r6c1=7
Naked Single: r6c3=8
Naked Single: r1c8=6
Full House: r2c8=4
Naked Single: r1c2=3
Naked Single: r5c2=5
Full House: r9c2=7
Naked Single: r6c5=4
Full House: r6c6=5
Naked Single: r9c1=9
Full House: r9c3=1
Naked Single: r4c3=2
Naked Single: r5c6=2
Full House: r4c6=8
Full House: r4c1=3
Full House: r2c1=2
Full House: r3c3=9
Full House: r5c3=6
Full House: r2c5=9
Full House: r3c9=2
Full House: r1c5=2
Full House: r1c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_81 | sudoku | sudoku_81 | null |
hard_benchmark | 21 | 1 | easy | 592..31.431.892..778.541..38734..5.96419..8.2259..8346127359468435..7921968..4735 | 5 9 2 . . 3 1 . 4
3 1 . 8 9 2 . . 7
7 8 . 5 4 1 . . 3
8 7 3 4 . . 5 . 9
6 4 1 9 . . 8 . 2
2 5 9 . . 8 3 4 6
1 2 7 3 5 9 4 6 8
4 3 5 . . 7 9 2 1
9 6 8 . . 4 7 3 5 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 #1 Easy (84)
Naked Single: r3c3=6
Full House: r2c3=4
Naked Single: r2c7=6
Full House: r2c8=5
Full House: r3c7=2
Full House: r3c8=9
Full House: r1c8=8
Naked Single: r4c6=6
Full House: r5c6=5
Naked Single: r5c8=7
Full House: r4c8=1
Full House: r5c5=3
Full House: r4c5=2
Naked Single: r8c4=6
Full House: r8c5=8
Naked Single: r9c5=1
Full House: r9c4=2
Naked Single: r1c4=7
Full House: r1c5=6
Full House: r6c5=7
Full House: r6c4=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_96 | sudoku | sudoku_96 | null |
hard_benchmark | 24 | 1 | easy | .95...6.4863.2.5.1741..52.3.2..7.15915.9.28366395187429142..365386...9275723..418 | . 9 5 . . . 6 . 4
8 6 3 . 2 . 5 . 1
7 4 1 . . 5 2 . 3
. 2 . . 7 . 1 5 9
1 5 . 9 . 2 8 3 6
6 3 9 5 1 8 7 4 2
9 1 4 2 . . 3 6 5
3 8 6 . . . 9 2 7
5 7 2 3 . . 4 1 8 | 295731684863429571741865293428673159157942836639518742914287365386154927572396418 | 295731684863429571741865293428673159157942836639518742914287365386154927572396418 #1 Easy (96)
Full House: r1c1=2
Full House: r4c1=4
Naked Single: r5c5=4
Full House: r5c3=7
Full House: r4c3=8
Naked Single: r7c6=7
Full House: r7c5=8
Naked Single: r4c4=6
Full House: r4c6=3
Naked Single: r8c5=5
Naked Single: r1c5=3
Naked Single: r3c4=8
Naked Single: r1c6=1
Naked Single: r3c8=9
Full House: r3c5=6
Full House: r9c5=9
Full House: r9c6=6
Naked Single: r1c4=7
Full House: r1c8=8
Full House: r2c8=7
Naked Single: r8c6=4
Full House: r2c6=9
Full House: r2c4=4
Full House: r8c4=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_61 | sudoku | sudoku_61 | null |
hard_benchmark | 28 | 1 | easy | 547.8.9.28..9274..2..54.18738...1.4.6....8.1.7....28..92.615374136274598475839621 | 5 4 7 . 8 . 9 . 2
8 . . 9 2 7 4 . .
2 . . 5 4 . 1 8 7
3 8 . . . 1 . 4 .
6 . . . . 8 . 1 .
7 . . . . 2 8 . .
9 2 . 6 1 5 3 7 4
1 3 6 2 7 4 5 9 8
4 7 5 8 3 9 6 2 1 | 547183962861927435293546187389751246652498713714362859928615374136274598475839621 | 547183962861927435293546187389751246652498713714362859928615374136274598475839621 #1 Easy (112)
Full House: r7c3=8
Naked Single: r4c4=7
Naked Single: r4c7=2
Full House: r5c7=7
Naked Single: r4c3=9
Naked Single: r3c3=3
Naked Single: r5c2=5
Naked Single: r2c3=1
Naked Single: r3c6=6
Full House: r1c6=3
Full House: r3c2=9
Full House: r2c2=6
Full House: r6c2=1
Full House: r1c4=1
Full House: r1c8=6
Naked Single: r5c5=9
Naked Single: r6c3=4
Full House: r5c3=2
Naked Single: r5c9=3
Full House: r5c4=4
Full House: r6c4=3
Naked Single: r2c9=5
Full House: r2c8=3
Full House: r6c8=5
Naked Single: r4c9=6
Full House: r4c5=5
Full House: r6c5=6
Full House: r6c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_118 | sudoku | sudoku_118 | null |
hard_benchmark | 29 | 1 | easy | 526.837.4..876253993....268351278946689354127...6..38549583.6.28...2.4........8.. | 5 2 6 . 8 3 7 . 4
. . 8 7 6 2 5 3 9
9 3 . . . . 2 6 8
3 5 1 2 7 8 9 4 6
6 8 9 3 5 4 1 2 7
. . . 6 . . 3 8 5
4 9 5 8 3 . 6 . 2
8 . . . 2 . 4 . .
. . . . . . 8 . . | 526983714148762539937145268351278946689354127274619385495831672863527491712496853 | 526983714148762539937145268351278946689354127274619385495831672863527491712496853 #1 Easy (116)
Full House: r1c8=1
Full House: r1c4=9
Naked Single: r2c1=1
Full House: r2c2=4
Full House: r3c3=7
Naked Single: r7c8=7
Full House: r7c6=1
Naked Single: r6c2=7
Naked Single: r8c3=3
Naked Single: r3c6=5
Naked Single: r6c6=9
Full House: r6c5=1
Naked Single: r8c4=5
Naked Single: r6c1=2
Full House: r6c3=4
Full House: r9c3=2
Full House: r9c1=7
Naked Single: r8c9=1
Full House: r9c9=3
Naked Single: r3c5=4
Full House: r3c4=1
Full House: r9c4=4
Full House: r9c5=9
Naked Single: r8c8=9
Full House: r9c8=5
Naked Single: r9c6=6
Full House: r8c6=7
Full House: r8c2=6
Full House: r9c2=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_111 | sudoku | sudoku_111 | null |
hard_benchmark | 22 | 1 | easy | 3698254714187..52.25714..3887.46..955....8.6793651728478..54.1.195.728436...8175. | 3 6 9 8 2 5 4 7 1
4 1 8 7 . . 5 2 .
2 5 7 1 4 . . 3 8
8 7 . 4 6 . . 9 5
5 . . . . 8 . 6 7
9 3 6 5 1 7 2 8 4
7 8 . . 5 4 . 1 .
1 9 5 . 7 2 8 4 3
6 . . . 8 1 7 5 . | 369825471418739526257146938872463195541298367936517284783954612195672843624381759 | 369825471418739526257146938872463195541298367936517284783954612195672843624381759 #1 Easy (88)
Full House: r8c4=6
Naked Single: r4c6=3
Naked Single: r4c7=1
Full House: r4c3=2
Full House: r5c7=3
Naked Single: r5c5=9
Full House: r2c5=3
Full House: r5c4=2
Naked Single: r5c2=4
Full House: r5c3=1
Full House: r9c2=2
Naked Single: r7c3=3
Full House: r9c3=4
Naked Single: r9c9=9
Full House: r9c4=3
Full House: r7c4=9
Naked Single: r2c9=6
Full House: r2c6=9
Full House: r3c7=9
Full House: r7c7=6
Full House: r7c9=2
Full House: r3c6=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_57 | sudoku | sudoku_57 | null |
hard_benchmark | 22 | 1 | easy | 914587236382.417955673..1487.3......8..47...225.19387.438716529625.3.417179.5.6.3 | 9 1 4 5 8 7 2 3 6
3 8 2 . 4 1 7 9 5
5 6 7 3 . . 1 4 8
7 . 3 . . . . . .
8 . . 4 7 . . . 2
2 5 . 1 9 3 8 7 .
4 3 8 7 1 6 5 2 9
6 2 5 . 3 . 4 1 7
1 7 9 . 5 . 6 . 3 | 914587236382641795567329148743862951891475362256193874438716529625938417179254683 | 914587236382641795567329148743862951891475362256193874438716529625938417179254683 #1 Easy (88)
Full House: r2c4=6
Full House: r9c8=8
Naked Single: r5c2=9
Full House: r4c2=4
Naked Single: r3c5=2
Full House: r3c6=9
Full House: r4c5=6
Naked Single: r6c3=6
Full House: r6c9=4
Full House: r4c9=1
Full House: r5c3=1
Naked Single: r5c6=5
Naked Single: r4c7=9
Full House: r5c7=3
Full House: r5c8=6
Full House: r4c8=5
Naked Single: r9c4=2
Full House: r9c6=4
Naked Single: r8c6=8
Full House: r4c6=2
Full House: r4c4=8
Full House: r8c4=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_119 | sudoku | sudoku_119 | null |
hard_benchmark | 19 | 1 | easy | 478236951612597438539418276..5.7..84..7.4.563..4..57.9953784..2741...895826159347 | 4 7 8 2 3 6 9 5 1
6 1 2 5 9 7 4 3 8
5 3 9 4 1 8 2 7 6
. . 5 . 7 . . 8 4
. . 7 . 4 . 5 6 3
. . 4 . . 5 7 . 9
9 5 3 7 8 4 . . 2
7 4 1 . . . 8 9 5
8 2 6 1 5 9 3 4 7 | 478236951612597438539418276365972184297841563184365729953784612741623895826159347 | 478236951612597438539418276365972184297841563184365729953784612741623895826159347 #1 Easy (76)
Naked Single: r4c7=1
Full House: r6c8=2
Full House: r7c8=1
Full House: r7c7=6
Naked Single: r6c5=6
Full House: r8c5=2
Naked Single: r6c2=8
Naked Single: r8c6=3
Full House: r8c4=6
Naked Single: r5c2=9
Full House: r4c2=6
Naked Single: r6c4=3
Full House: r6c1=1
Naked Single: r4c6=2
Full House: r5c6=1
Naked Single: r5c4=8
Full House: r4c4=9
Full House: r5c1=2
Full House: r4c1=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_26 | sudoku | sudoku_26 | null |
hard_benchmark | 20 | 1 | easy | 514972683..6354719739861254..5..7..64.16.5.2767...38...4.739561967518..2153246978 | 5 1 4 9 7 2 6 8 3
. . 6 3 5 4 7 1 9
7 3 9 8 6 1 2 5 4
. . 5 . . 7 . . 6
4 . 1 6 . 5 . 2 7
6 7 . . . 3 8 . .
. 4 . 7 3 9 5 6 1
9 6 7 5 1 8 . . 2
1 5 3 2 4 6 9 7 8 | 514972683826354719739861254385427196491685327672193845248739561967518432153246978 | 514972683826354719739861254385427196491685327672193845248739561967518432153246978 #1 Easy (80)
Full House: r6c9=5
Naked Single: r6c3=2
Full House: r7c3=8
Full House: r7c1=2
Naked Single: r5c7=3
Naked Single: r6c5=9
Naked Single: r2c1=8
Full House: r2c2=2
Full House: r4c1=3
Naked Single: r8c7=4
Full House: r4c7=1
Full House: r8c8=3
Naked Single: r5c5=8
Full House: r4c5=2
Full House: r5c2=9
Full House: r4c2=8
Naked Single: r6c8=4
Full House: r4c8=9
Full House: r4c4=4
Full House: r6c4=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_50 | sudoku | sudoku_50 | null |
hard_benchmark | 23 | 1 | easy | 916.7.5..825943617437156...25389..4.681.34..979462...3342.8....179.6.485568419372 | 9 1 6 . 7 . 5 . .
8 2 5 9 4 3 6 1 7
4 3 7 1 5 6 . . .
2 5 3 8 9 . . 4 .
6 8 1 . 3 4 . . 9
7 9 4 6 2 . . . 3
3 4 2 . 8 . . . .
1 7 9 . 6 . 4 8 5
5 6 8 4 1 9 3 7 2 | 916278534825943617437156298253897146681534729794621853342785961179362485568419372 | 916278534825943617437156298253897146681534729794621853342785961179362485568419372 #1 Easy (92)
Naked Single: r1c4=2
Full House: r1c6=8
Naked Single: r6c8=5
Naked Single: r8c6=2
Full House: r8c4=3
Naked Single: r3c9=8
Naked Single: r1c8=3
Full House: r1c9=4
Naked Single: r5c8=2
Naked Single: r6c6=1
Full House: r6c7=8
Naked Single: r3c8=9
Full House: r3c7=2
Full House: r7c8=6
Naked Single: r5c7=7
Full House: r5c4=5
Full House: r4c6=7
Full House: r7c4=7
Full House: r7c6=5
Naked Single: r7c9=1
Full House: r4c9=6
Full House: r4c7=1
Full House: r7c7=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_73 | sudoku | sudoku_73 | null |
hard_benchmark | 18 | 1 | easy | 934.....1.8.41.3.....329846249...1851735486..856291437398156274721984563465732918 | 9 3 4 . . . . . 1
. 8 . 4 1 . 3 . .
. . . 3 2 9 8 4 6
2 4 9 . . . 1 8 5
1 7 3 5 4 8 6 . .
8 5 6 2 9 1 4 3 7
3 9 8 1 5 6 2 7 4
7 2 1 9 8 4 5 6 3
4 6 5 7 3 2 9 1 8 | 934865721682417359517329846249673185173548692856291437398156274721984563465732918 | 934865721682417359517329846249673185173548692856291437398156274721984563465732918 #1 Easy (72)
Full House: r3c2=1
Full House: r1c7=7
Naked Single: r3c1=5
Full House: r3c3=7
Full House: r2c1=6
Full House: r2c3=2
Naked Single: r4c4=6
Full House: r1c4=8
Naked Single: r1c5=6
Full House: r4c5=7
Full House: r4c6=3
Naked Single: r1c6=5
Full House: r1c8=2
Full House: r2c6=7
Naked Single: r2c9=9
Full House: r2c8=5
Full House: r5c8=9
Full House: r5c9=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_46 | sudoku | sudoku_46 | null |
hard_benchmark | 26 | 1 | easy | 2..5396.8..3461972...72835...51932.71.287453..3.6528.437824.1.5..198.423.2.3.578. | 2 . . 5 3 9 6 . 8
. . 3 4 6 1 9 7 2
. . . 7 2 8 3 5 .
. . 5 1 9 3 2 . 7
1 . 2 8 7 4 5 3 .
. 3 . 6 5 2 8 . 4
3 7 8 2 4 . 1 . 5
. . 1 9 8 . 4 2 3
. 2 . 3 . 5 7 8 . | 217539648583461972496728351845193267162874539739652814378246195651987423924315786 | 217539648583461972496728351845193267162874539739652814378246195651987423924315786 #1 Easy (104)
Full House: r9c5=1
Naked Single: r3c9=1
Full House: r1c8=4
Naked Single: r4c8=6
Naked Single: r7c6=6
Full House: r7c8=9
Full House: r8c6=7
Full House: r6c8=1
Full House: r5c9=9
Full House: r9c9=6
Full House: r5c2=6
Naked Single: r1c2=1
Full House: r1c3=7
Naked Single: r8c2=5
Full House: r8c1=6
Naked Single: r6c3=9
Full House: r6c1=7
Naked Single: r2c2=8
Full House: r2c1=5
Naked Single: r9c3=4
Full House: r3c3=6
Full House: r9c1=9
Naked Single: r4c2=4
Full House: r3c2=9
Full House: r3c1=4
Full House: r4c1=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_163 | sudoku | sudoku_163 | null |
hard_benchmark | 27 | 1 | easy | 579.8.461384619257.16745938.9....51343..51.961659.3....5.13.6...235.71...418..375 | 5 7 9 . 8 . 4 6 1
3 8 4 6 1 9 2 5 7
. 1 6 7 4 5 9 3 8
. 9 . . . . 5 1 3
4 3 . . 5 1 . 9 6
1 6 5 9 . 3 . . .
. 5 . 1 3 . 6 . .
. 2 3 5 . 7 1 . .
. 4 1 8 . . 3 7 5 | 579382461384619257216745938792468513438251796165973842857134629623597184941826375 | 579382461384619257216745938792468513438251796165973842857134629623597184941826375 #1 Easy (108)
Full House: r3c1=2
Naked Single: r1c6=2
Full House: r1c4=3
Naked Single: r5c4=2
Full House: r4c4=4
Naked Single: r7c6=4
Naked Single: r9c6=6
Full House: r4c6=8
Naked Single: r6c5=7
Full House: r4c5=6
Naked Single: r8c5=9
Full House: r9c5=2
Full House: r9c1=9
Naked Single: r4c1=7
Full House: r4c3=2
Full House: r5c3=8
Full House: r5c7=7
Full House: r6c7=8
Full House: r7c3=7
Naked Single: r8c9=4
Naked Single: r7c1=8
Full House: r8c1=6
Full House: r8c8=8
Naked Single: r6c9=2
Full House: r6c8=4
Full House: r7c8=2
Full House: r7c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_173 | sudoku | sudoku_173 | null |
hard_benchmark | 26 | 1 | easy | 6.1.3458.38.65241..5481963..6.42597....973..6..5186.2....2681..5263417981.859726. | 6 . 1 . 3 4 5 8 .
3 8 . 6 5 2 4 1 .
. 5 4 8 1 9 6 3 .
. 6 . 4 2 5 9 7 .
. . . 9 7 3 . . 6
. . 5 1 8 6 . 2 .
. . . 2 6 8 1 . .
5 2 6 3 4 1 7 9 8
1 . 8 5 9 7 2 6 . | 691734582387652419254819637863425971412973856975186324739268145526341798148597263 | 691734582387652419254819637863425971412973856975186324739268145526341798148597263 #1 Easy (104)
Full House: r1c4=7
Naked Single: r6c7=3
Full House: r5c7=8
Naked Single: r4c1=8
Naked Single: r4c3=3
Full House: r4c9=1
Naked Single: r5c3=2
Naked Single: r1c2=9
Full House: r1c9=2
Naked Single: r6c9=4
Full House: r5c8=5
Full House: r7c8=4
Naked Single: r5c1=4
Full House: r5c2=1
Naked Single: r2c3=7
Full House: r2c9=9
Full House: r3c9=7
Full House: r3c1=2
Full House: r7c3=9
Naked Single: r6c2=7
Full House: r6c1=9
Full House: r7c1=7
Naked Single: r9c9=3
Full House: r7c9=5
Full House: r7c2=3
Full House: r9c2=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_141 | sudoku | sudoku_141 | null |
hard_benchmark | 28 | 1 | easy | 4618.359.72956...48539.46211..7.6.4.3..4...6.642398715.16.35.7.5...491...34187.56 | 4 6 1 8 . 3 5 9 .
7 2 9 5 6 . . . 4
8 5 3 9 . 4 6 2 1
1 . . 7 . 6 . 4 .
3 . . 4 . . . 6 .
6 4 2 3 9 8 7 1 5
. 1 6 . 3 5 . 7 .
5 . . . 4 9 1 . .
. 3 4 1 8 7 . 5 6 | 461823597729561384853974621198756243375412869642398715916235478587649132234187956 | 461823597729561384853974621198756243375412869642398715916235478587649132234187956 #1 Easy (112)
Full House: r3c5=7
Naked Single: r2c6=1
Full House: r1c5=2
Full House: r1c9=7
Full House: r5c6=2
Naked Single: r7c4=2
Full House: r8c4=6
Naked Single: r4c5=5
Full House: r5c5=1
Naked Single: r7c1=9
Full House: r9c1=2
Full House: r9c7=9
Naked Single: r4c3=8
Naked Single: r7c9=8
Full House: r7c7=4
Naked Single: r5c7=8
Naked Single: r4c2=9
Naked Single: r8c3=7
Full House: r5c3=5
Full House: r5c2=7
Full House: r5c9=9
Full House: r8c2=8
Naked Single: r8c8=3
Full House: r2c8=8
Full House: r2c7=3
Full House: r8c9=2
Full House: r4c7=2
Full House: r4c9=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_181 | sudoku | sudoku_181 | null |
hard_benchmark | 29 | 1 | easy | .9.2.16846829475314..63.972...1.94582..375196519864327.2.4..7....57928.......32.. | . 9 . 2 . 1 6 8 4
6 8 2 9 4 7 5 3 1
4 . . 6 3 . 9 7 2
. . . 1 . 9 4 5 8
2 . . 3 7 5 1 9 6
5 1 9 8 6 4 3 2 7
. 2 . 4 . . 7 . .
. . 5 7 9 2 8 . .
. . . . . 3 2 . . | 397251684682947531451638972736129458248375196519864327923486715165792843874513269 | 397251684682947531451638972736129458248375196519864327923486715165792843874513269 #1 Easy (116)
Full House: r4c5=2
Full House: r9c4=5
Naked Single: r1c5=5
Full House: r3c6=8
Full House: r7c6=6
Naked Single: r5c2=4
Full House: r5c3=8
Naked Single: r3c2=5
Full House: r3c3=1
Naked Single: r8c9=3
Naked Single: r9c9=9
Full House: r7c9=5
Naked Single: r7c8=1
Naked Single: r7c3=3
Naked Single: r8c1=1
Naked Single: r8c2=6
Full House: r8c8=4
Full House: r9c8=6
Naked Single: r7c5=8
Full House: r7c1=9
Full House: r9c5=1
Naked Single: r1c3=7
Full House: r1c1=3
Naked Single: r9c2=7
Full House: r4c2=3
Naked Single: r4c3=6
Full House: r9c3=4
Full House: r4c1=7
Full House: r9c1=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_232 | sudoku | sudoku_232 | null |
hard_benchmark | 25 | 1 | easy | 51..8.93..39.....8.87..4...826..9.1.753461892941825367168243759375698241.9.517... | 5 1 . . 8 . 9 3 .
. 3 9 . . . . . 8
. 8 7 . . 4 . . .
8 2 6 . . 9 . 1 .
7 5 3 4 6 1 8 9 2
9 4 1 8 2 5 3 6 7
1 6 8 2 4 3 7 5 9
3 7 5 6 9 8 2 4 1
. 9 . 5 1 7 . . . | 514782936239156478687934125826379514753461892941825367168243759375698241492517683 | 514782936239156478687934125826379514753461892941825367168243759375698241492517683 #1 Easy (100)
Naked Single: r3c8=2
Naked Single: r1c4=7
Naked Single: r9c8=8
Full House: r2c8=7
Naked Single: r9c7=6
Full House: r9c9=3
Naked Single: r3c1=6
Naked Single: r2c4=1
Naked Single: r2c5=5
Naked Single: r4c4=3
Full House: r3c4=9
Full House: r4c5=7
Full House: r3c5=3
Naked Single: r3c9=5
Full House: r3c7=1
Naked Single: r2c7=4
Full House: r1c9=6
Full House: r4c9=4
Full House: r4c7=5
Naked Single: r2c1=2
Full House: r1c3=4
Full House: r1c6=2
Full House: r2c6=6
Full House: r9c1=4
Full House: r9c3=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_85 | sudoku | sudoku_85 | null |
hard_benchmark | 25 | 1 | easy | 976284531325961..81..53.2962317598644.9.123...5...31298..32.91.513.9.6.2.921....3 | 9 7 6 2 8 4 5 3 1
3 2 5 9 6 1 . . 8
1 . . 5 3 . 2 9 6
2 3 1 7 5 9 8 6 4
4 . 9 . 1 2 3 . .
. 5 . . . 3 1 2 9
8 . . 3 2 . 9 1 .
5 1 3 . 9 . 6 . 2
. 9 2 1 . . . . 3 | 976284531325961748184537296231759864469812357758643129847326915513498672692175483 | 976284531325961748184537296231759864469812357758643129847326915513498672692175483 #1 Easy (100)
Full House: r3c6=7
Naked Single: r6c5=4
Full House: r9c5=7
Naked Single: r8c6=8
Naked Single: r9c1=6
Full House: r6c1=7
Naked Single: r9c7=4
Full House: r2c7=7
Full House: r2c8=4
Naked Single: r8c4=4
Full House: r8c8=7
Naked Single: r7c2=4
Full House: r7c3=7
Naked Single: r9c6=5
Full House: r7c6=6
Full House: r7c9=5
Full House: r9c8=8
Full House: r5c8=5
Full House: r5c9=7
Naked Single: r6c3=8
Full House: r3c3=4
Full House: r3c2=8
Full House: r5c2=6
Full House: r6c4=6
Full House: r5c4=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_235 | sudoku | sudoku_235 | null |
hard_benchmark | 25 | 1 | easy | 795..63811869734..2435819766.....89.95.6.81344.8...6..32486...9861....43579134268 | 7 9 5 . . 6 3 8 1
1 8 6 9 7 3 4 . .
2 4 3 5 8 1 9 7 6
6 . . . . . 8 9 .
9 5 . 6 . 8 1 3 4
4 . 8 . . . 6 . .
3 2 4 8 6 . . . 9
8 6 1 . . . . 4 3
5 7 9 1 3 4 2 6 8 | 795246381186973452243581976632417895957628134418359627324865719861792543579134268 | 795246381186973452243581976632417895957628134418359627324865719861792543579134268 #1 Easy (100)
Naked Single: r5c5=2
Full House: r5c3=7
Full House: r4c3=2
Naked Single: r1c5=4
Full House: r1c4=2
Naked Single: r8c4=7
Naked Single: r6c4=3
Full House: r4c4=4
Naked Single: r7c6=5
Naked Single: r8c7=5
Full House: r7c7=7
Full House: r7c8=1
Naked Single: r6c2=1
Full House: r4c2=3
Naked Single: r4c6=7
Naked Single: r8c5=9
Full House: r8c6=2
Full House: r6c6=9
Naked Single: r4c9=5
Full House: r4c5=1
Full House: r6c5=5
Naked Single: r2c9=2
Full House: r2c8=5
Full House: r6c8=2
Full House: r6c9=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_70 | sudoku | sudoku_70 | null |
hard_benchmark | 35 | 1 | easy | .2814569..6..89.71194..3.8.98.3...1..178.6....3.49.867871..2....4...8726652.741.. | . 2 8 1 4 5 6 9 .
. 6 . . 8 9 . 7 1
1 9 4 . . 3 . 8 .
9 8 . 3 . . . 1 .
. 1 7 8 . 6 . . .
. 3 . 4 9 . 8 6 7
8 7 1 . . 2 . . .
. 4 . . . 8 7 2 6
6 5 2 . 7 4 1 . . | 728145693563289471194763582986357214417826359235491867871632945349518726652974138 | 728145693563289471194763582986357214417826359235491867871632945349518726652974138 #1 Easy (140)
Naked Single: r1c9=3
Full House: r1c1=7
Naked Single: r2c4=2
Naked Single: r4c6=7
Full House: r6c6=1
Naked Single: r8c1=3
Full House: r8c3=9
Naked Single: r6c3=5
Full House: r6c1=2
Naked Single: r9c4=9
Naked Single: r9c8=3
Full House: r9c9=8
Naked Single: r3c5=6
Full House: r3c4=7
Naked Single: r2c1=5
Full House: r2c3=3
Full House: r4c3=6
Full House: r5c1=4
Full House: r2c7=4
Naked Single: r8c4=5
Full House: r7c4=6
Full House: r8c5=1
Full House: r7c5=3
Naked Single: r5c8=5
Full House: r7c8=4
Naked Single: r4c7=2
Naked Single: r5c5=2
Full House: r4c5=5
Full House: r4c9=4
Naked Single: r3c7=5
Full House: r3c9=2
Naked Single: r5c9=9
Full House: r5c7=3
Full House: r7c7=9
Full House: r7c9=5
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_215 | sudoku | sudoku_215 | null |
hard_benchmark | 24 | 1 | easy | .6.8..54...54..68.482756193274695318158243..9693187.2..2..6..5154.318276...572.34 | . 6 . 8 . . 5 4 .
. . 5 4 . . 6 8 .
4 8 2 7 5 6 1 9 3
2 7 4 6 9 5 3 1 8
1 5 8 2 4 3 . . 9
6 9 3 1 8 7 . 2 .
. 2 . . 6 . . 5 1
5 4 . 3 1 8 2 7 6
. . . 5 7 2 . 3 4 | 761839542935421687482756193274695318158243769693187425327964851549318276816572934 | 761839542935421687482756193274695318158243769693187425327964851549318276816572934 #1 Easy (96)
Full House: r7c4=9
Full House: r5c8=6
Full House: r5c7=7
Full House: r8c3=9
Full House: r7c6=4
Naked Single: r6c7=4
Full House: r6c9=5
Naked Single: r9c2=1
Full House: r2c2=3
Naked Single: r7c3=7
Naked Single: r7c7=8
Full House: r7c1=3
Full House: r9c7=9
Naked Single: r9c1=8
Full House: r9c3=6
Full House: r1c3=1
Naked Single: r2c5=2
Full House: r1c5=3
Naked Single: r1c6=9
Full House: r2c6=1
Naked Single: r2c9=7
Full House: r1c9=2
Full House: r1c1=7
Full House: r2c1=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_182 | sudoku | sudoku_182 | null |
hard_benchmark | 26 | 1 | easy | .6....1573716852495429718637834695214165..398.......7463..98.1.8.714693..9.....86 | . 6 . . . . 1 5 7
3 7 1 6 8 5 2 4 9
5 4 2 9 7 1 8 6 3
7 8 3 4 6 9 5 2 1
4 1 6 5 . . 3 9 8
. . . . . . . 7 4
6 3 . . 9 8 . 1 .
8 . 7 1 4 6 9 3 .
. 9 . . . . . 8 6 | 968234157371685249542971863783469521416527398259813674635798412827146935194352786 | 968234157371685249542971863783469521416527398259813674635798412827146935194352786 #1 Easy (104)
Full House: r6c7=6
Naked Single: r5c5=2
Full House: r5c6=7
Naked Single: r1c1=9
Full House: r1c3=8
Naked Single: r1c5=3
Naked Single: r6c6=3
Naked Single: r6c1=2
Full House: r9c1=1
Naked Single: r1c4=2
Full House: r1c6=4
Full House: r9c6=2
Naked Single: r6c5=1
Full House: r9c5=5
Full House: r6c4=8
Naked Single: r6c2=5
Full House: r6c3=9
Full House: r8c2=2
Full House: r8c9=5
Full House: r7c9=2
Naked Single: r7c4=7
Full House: r9c4=3
Naked Single: r9c3=4
Full House: r7c3=5
Full House: r7c7=4
Full House: r9c7=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_149 | sudoku | sudoku_149 | null |
hard_benchmark | 25 | 1 | easy | 3..2.9..59..5.1..3.153.697.293.1.856.8162539.56..931..147962538639.5.241.5.134769 | 3 . . 2 . 9 . . 5
9 . . 5 . 1 . . 3
. 1 5 3 . 6 9 7 .
2 9 3 . 1 . 8 5 6
. 8 1 6 2 5 3 9 .
5 6 . . 9 3 1 . .
1 4 7 9 6 2 5 3 8
6 3 9 . 5 . 2 4 1
. 5 . 1 3 4 7 6 9 | 378249615926571483415386972293417856781625394564893127147962538639758241852134769 | 378249615926571483415386972293417856781625394564893127147962538639758241852134769 #1 Easy (100)
Naked Single: r1c2=7
Full House: r2c2=2
Naked Single: r6c3=4
Full House: r5c1=7
Full House: r5c9=4
Naked Single: r9c1=8
Full House: r3c1=4
Full House: r9c3=2
Naked Single: r6c8=2
Full House: r6c9=7
Full House: r3c9=2
Full House: r3c5=8
Full House: r6c4=8
Naked Single: r4c6=7
Full House: r4c4=4
Full House: r8c4=7
Full House: r8c6=8
Naked Single: r2c8=8
Full House: r1c8=1
Naked Single: r1c5=4
Full House: r2c5=7
Naked Single: r2c3=6
Full House: r1c3=8
Full House: r1c7=6
Full House: r2c7=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_112 | sudoku | sudoku_112 | null |
hard_benchmark | 18 | 1 | easy | ...5284636831497254523768199254316.737685294184169735226.9....4...76.29859.2.4... | . . . 5 2 8 4 6 3
6 8 3 1 4 9 7 2 5
4 5 2 3 7 6 8 1 9
9 2 5 4 3 1 6 . 7
3 7 6 8 5 2 9 4 1
8 4 1 6 9 7 3 5 2
2 6 . 9 . . . . 4
. . . 7 6 . 2 9 8
5 9 . 2 . 4 . . . | 719528463683149725452376819925431687376852941841697352268913574134765298597284136 | 719528463683149725452376819925431687376852941841697352268913574134765298597284136 #1 Easy (72)
Full House: r4c8=8
Full House: r9c9=6
Naked Single: r8c3=4
Naked Single: r8c1=1
Full House: r1c1=7
Naked Single: r9c7=1
Full House: r7c7=5
Naked Single: r1c2=1
Full House: r8c2=3
Full House: r1c3=9
Full House: r8c6=5
Full House: r7c6=3
Naked Single: r9c5=8
Full House: r7c5=1
Naked Single: r7c8=7
Full House: r7c3=8
Full House: r9c3=7
Full House: r9c8=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_28 | sudoku | sudoku_28 | null |
hard_benchmark | 25 | 1 | easy | 941268375263.9..4.7851439..5.6471..387.356.1.314829...13..846.26..51..34458.3.79. | 9 4 1 2 6 8 3 7 5
2 6 3 . 9 . . 4 .
7 8 5 1 4 3 9 . .
5 . 6 4 7 1 . . 3
8 7 . 3 5 6 . 1 .
3 1 4 8 2 9 . . .
1 3 . . 8 4 6 . 2
6 . . 5 1 . . 3 4
4 5 8 . 3 . 7 9 . | 941268375263795148785143926596471283872356419314829567137984652629517834458632791 | 941268375263795148785143926596471283872356419314829567137984652629517834458632791 #1 Easy (100)
Naked Single: r3c9=6
Full House: r3c8=2
Naked Single: r2c4=7
Full House: r2c6=5
Naked Single: r5c9=9
Naked Single: r6c7=5
Naked Single: r8c7=8
Naked Single: r9c6=2
Full House: r8c6=7
Naked Single: r7c8=5
Full House: r9c9=1
Full House: r9c4=6
Full House: r7c4=9
Full House: r7c3=7
Naked Single: r6c9=7
Full House: r6c8=6
Full House: r4c8=8
Full House: r2c9=8
Full House: r2c7=1
Naked Single: r5c3=2
Full House: r4c2=9
Full House: r4c7=2
Full House: r5c7=4
Full House: r8c3=9
Full House: r8c2=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_137 | sudoku | sudoku_137 | null |
hard_benchmark | 19 | 1 | easy | 24..13.96.5.46.28.6.9.25.4.124957368986231475573684912465398127....426.9.92176..4 | 2 4 . . 1 3 . 9 6
. 5 . 4 6 . 2 8 .
6 . 9 . 2 5 . 4 .
1 2 4 9 5 7 3 6 8
9 8 6 2 3 1 4 7 5
5 7 3 6 8 4 9 1 2
4 6 5 3 9 8 1 2 7
. . . . 4 2 6 . 9
. 9 2 1 7 6 . . 4 | 248713596751469283639825741124957368986231475573684912465398127817542639392176854 | 248713596751469283639825741124957368986231475573684912465398127817542639392176854 #1 Easy (76)
Full House: r2c6=9
Full House: r8c4=5
Naked Single: r3c7=7
Naked Single: r8c8=3
Full House: r9c8=5
Full House: r9c7=8
Full House: r1c7=5
Full House: r9c1=3
Naked Single: r3c4=8
Full House: r1c4=7
Full House: r1c3=8
Naked Single: r8c2=1
Full House: r3c2=3
Full House: r3c9=1
Full House: r2c9=3
Naked Single: r2c1=7
Full House: r2c3=1
Full House: r8c3=7
Full House: r8c1=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_37 | sudoku | sudoku_37 | null |
hard_benchmark | 18 | 1 | easy | 619.734257239456..8451.6.399324.756.57623.9..18456927326..54.97.976.1.52.5879.146 | 6 1 9 . 7 3 4 2 5
7 2 3 9 4 5 6 . .
8 4 5 1 . 6 . 3 9
9 3 2 4 . 7 5 6 .
5 7 6 2 3 . 9 . .
1 8 4 5 6 9 2 7 3
2 6 . . 5 4 . 9 7
. 9 7 6 . 1 . 5 2
. 5 8 7 9 . 1 4 6 | 619873425723945681845126739932417568576238914184569273261354897497681352358792146 | 619873425723945681845126739932417568576238914184569273261354897497681352358792146 #1 Easy (72)
Full House: r1c4=8
Full House: r3c5=2
Full House: r3c7=7
Full House: r7c3=1
Full House: r7c4=3
Full House: r7c7=8
Full House: r8c7=3
Naked Single: r5c6=8
Full House: r9c6=2
Full House: r8c5=8
Full House: r9c1=3
Full House: r8c1=4
Full House: r4c5=1
Full House: r4c9=8
Naked Single: r5c8=1
Full House: r2c8=8
Full House: r2c9=1
Full House: r5c9=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_178 | sudoku | sudoku_178 | null |
hard_benchmark | 18 | 1 | easy | 73.195286.298.6173.8627.9458..3..5196124597383957816249.861.3.2.635278.1..19.84.7 | 7 3 . 1 9 5 2 8 6
. 2 9 8 . 6 1 7 3
. 8 6 2 7 . 9 4 5
8 . . 3 . . 5 1 9
6 1 2 4 5 9 7 3 8
3 9 5 7 8 1 6 2 4
9 . 8 6 1 . 3 . 2
. 6 3 5 2 7 8 . 1
. . 1 9 . 8 4 . 7 | 734195286529846173186273945847362519612459738395781624978614352463527891251938467 | 734195286529846173186273945847362519612459738395781624978614352463527891251938467 #1 Easy (72)
Full House: r1c3=4
Full House: r4c3=7
Full House: r4c2=4
Naked Single: r2c5=4
Full House: r3c6=3
Full House: r3c1=1
Full House: r2c1=5
Naked Single: r4c6=2
Full House: r4c5=6
Full House: r7c6=4
Full House: r9c5=3
Naked Single: r7c8=5
Full House: r7c2=7
Full House: r9c2=5
Naked Single: r8c8=9
Full House: r8c1=4
Full House: r9c1=2
Full House: r9c8=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_113 | sudoku | sudoku_113 | null |
hard_benchmark | 28 | 1 | easy | ..2..54.8..9.427.3.....792556.2893749..15328623876.591...92.1376...3.859.9357.642 | . . 2 . . 5 4 . 8
. . 9 . 4 2 7 . 3
. . . . . 7 9 2 5
5 6 . 2 8 9 3 7 4
9 . . 1 5 3 2 8 6
2 3 8 7 6 . 5 9 1
. . . 9 2 . 1 3 7
6 . . . 3 . 8 5 9
. 9 3 5 7 . 6 4 2 | 712395468859642713346817925561289374974153286238764591485926137627431859193578642 | 712395468859642713346817925561289374974153286238764591485926137627431859193578642 #1 Easy (112)
Full House: r4c3=1
Full House: r6c6=4
Naked Single: r3c5=1
Full House: r1c5=9
Naked Single: r8c4=4
Naked Single: r8c6=1
Naked Single: r8c3=7
Full House: r8c2=2
Naked Single: r9c6=8
Full House: r7c6=6
Full House: r9c1=1
Naked Single: r5c3=4
Full House: r5c2=7
Naked Single: r2c1=8
Naked Single: r3c3=6
Full House: r7c3=5
Naked Single: r1c2=1
Naked Single: r2c4=6
Naked Single: r3c2=4
Naked Single: r7c1=4
Full House: r7c2=8
Full House: r2c2=5
Full House: r2c8=1
Full House: r1c8=6
Naked Single: r1c4=3
Full House: r1c1=7
Full House: r3c1=3
Full House: r3c4=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_196 | sudoku | sudoku_196 | null |
hard_benchmark | 21 | 1 | easy | 437859126.196725346..3149879714..352546123798283795461.98.4..1..24...879.6.....4. | 4 3 7 8 5 9 1 2 6
. 1 9 6 7 2 5 3 4
6 . . 3 1 4 9 8 7
9 7 1 4 . . 3 5 2
5 4 6 1 2 3 7 9 8
2 8 3 7 9 5 4 6 1
. 9 8 . 4 . . 1 .
. 2 4 . . . 8 7 9
. 6 . . . . . 4 . | 437859126819672534652314987971468352546123798283795461398247615124536879765981243 | 437859126819672534652314987971468352546123798283795461398247615124536879765981243 #1 Easy (84)
Full House: r2c1=8
Full House: r3c2=5
Full House: r3c3=2
Full House: r9c3=5
Naked Single: r8c4=5
Naked Single: r9c7=2
Full House: r7c7=6
Naked Single: r9c9=3
Full House: r7c9=5
Naked Single: r7c4=2
Full House: r9c4=9
Naked Single: r7c6=7
Full House: r7c1=3
Naked Single: r9c5=8
Naked Single: r8c1=1
Full House: r9c1=7
Full House: r9c6=1
Naked Single: r4c5=6
Full House: r4c6=8
Full House: r8c6=6
Full House: r8c5=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_68 | sudoku | sudoku_68 | null |
hard_benchmark | 25 | 1 | easy | 128794365694532817357.6.249.3.48.6...1.62.73..6...79..981246..3.7.91.42824..7519. | 1 2 8 7 9 4 3 6 5
6 9 4 5 3 2 8 1 7
3 5 7 . 6 . 2 4 9
. 3 . 4 8 . 6 . .
. 1 . 6 2 . 7 3 .
. 6 . . . 7 9 . .
9 8 1 2 4 6 . . 3
. 7 . 9 1 . 4 2 8
2 4 . . 7 5 1 9 . | 128794365694532817357168249739481652815629734462357981981246573576913428243875196 | 128794365694532817357168249739481652815629734462357981981246573576913428243875196 #1 Easy (100)
Full House: r7c7=5
Full House: r6c5=5
Full House: r7c8=7
Full House: r9c9=6
Naked Single: r4c8=5
Full House: r6c8=8
Naked Single: r8c1=5
Naked Single: r5c9=4
Naked Single: r5c6=9
Naked Single: r8c6=3
Full House: r8c3=6
Full House: r9c3=3
Full House: r9c4=8
Naked Single: r6c3=2
Naked Single: r4c1=7
Naked Single: r6c1=4
Full House: r5c1=8
Full House: r5c3=5
Full House: r4c3=9
Naked Single: r4c6=1
Full House: r3c6=8
Full House: r3c4=1
Full House: r4c9=2
Full House: r6c9=1
Full House: r6c4=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_165 | sudoku | sudoku_165 | null |
hard_benchmark | 27 | 1 | easy | 435792861...53874.7.2..1.3.5...2.978..7.4.253..895.4169.6214.85851379624...685.9. | 4 3 5 7 9 2 8 6 1
. . . 5 3 8 7 4 .
7 . 2 . . 1 . 3 .
5 . . . 2 . 9 7 8
. . 7 . 4 . 2 5 3
. . 8 9 5 . 4 1 6
9 . 6 2 1 4 . 8 5
8 5 1 3 7 9 6 2 4
. . . 6 8 5 . 9 . | 435792861619538742782461539564123978197846253328957416976214385851379624243685197 | 435792861619538742782461539564123978197846253328957416976214385851379624243685197 #1 Easy (108)
Full House: r3c5=6
Full House: r3c4=4
Naked Single: r3c7=5
Naked Single: r5c6=6
Naked Single: r6c2=2
Naked Single: r3c9=9
Full House: r2c9=2
Full House: r9c9=7
Full House: r3c2=8
Naked Single: r7c2=7
Full House: r7c7=3
Full House: r9c7=1
Naked Single: r2c3=9
Naked Single: r4c4=1
Full House: r5c4=8
Naked Single: r4c6=3
Full House: r6c6=7
Full House: r6c1=3
Naked Single: r5c1=1
Full House: r5c2=9
Naked Single: r9c2=4
Naked Single: r4c3=4
Full House: r4c2=6
Full House: r9c3=3
Full House: r9c1=2
Full House: r2c1=6
Full House: r2c2=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_143 | sudoku | sudoku_143 | null |
hard_benchmark | 27 | 1 | easy | .94..386..82.465..63578..498236.47.54..8..6..9...7.438561327984379468.5.248...376 | . 9 4 . . 3 8 6 .
. 8 2 . 4 6 5 . .
6 3 5 7 8 . . 4 9
8 2 3 6 . 4 7 . 5
4 . . 8 . . 6 . .
9 . . . 7 . 4 3 8
5 6 1 3 2 7 9 8 4
3 7 9 4 6 8 . 5 .
2 4 8 . . . 3 7 6 | 194253867782946513635781249823614795457839621916572438561327984379468152248195376 | 194253867782946513635781249823614795457839621916572438561327984379468152248195376 #1 Easy (108)
Naked Single: r5c3=7
Full House: r6c3=6
Naked Single: r2c8=1
Naked Single: r2c1=7
Full House: r1c1=1
Naked Single: r2c4=9
Full House: r2c9=3
Naked Single: r3c7=2
Full House: r1c9=7
Full House: r3c6=1
Full House: r8c7=1
Full House: r8c9=2
Full House: r5c9=1
Naked Single: r4c8=9
Full House: r4c5=1
Full House: r5c8=2
Naked Single: r1c5=5
Full House: r1c4=2
Naked Single: r5c2=5
Full House: r6c2=1
Naked Single: r9c5=9
Full House: r5c5=3
Full House: r5c6=9
Naked Single: r6c4=5
Full House: r6c6=2
Full House: r9c6=5
Full House: r9c4=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_153 | sudoku | sudoku_153 | null |
hard_benchmark | 19 | 1 | easy | 4197286352..1937843785..219..16..358..48.19268..9..1479234..871.8.317492147289563 | 4 1 9 7 2 8 6 3 5
2 . . 1 9 3 7 8 4
3 7 8 5 . . 2 1 9
. . 1 6 . . 3 5 8
. . 4 8 . 1 9 2 6
8 . . 9 . . 1 4 7
9 2 3 4 . . 8 7 1
. 8 . 3 1 7 4 9 2
1 4 7 2 8 9 5 6 3 | 419728635256193784378564219791642358534871926862935147923456871685317492147289563 | 419728635256193784378564219791642358534871926862935147923456871685317492147289563 #1 Easy (76)
Naked Single: r4c1=7
Naked Single: r4c2=9
Naked Single: r4c5=4
Full House: r4c6=2
Naked Single: r5c1=5
Full House: r8c1=6
Full House: r8c3=5
Naked Single: r3c5=6
Full House: r3c6=4
Naked Single: r6c6=5
Full House: r7c6=6
Full House: r7c5=5
Naked Single: r5c2=3
Full House: r5c5=7
Full House: r6c5=3
Naked Single: r2c3=6
Full House: r2c2=5
Full House: r6c2=6
Full House: r6c3=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_51 | sudoku | sudoku_51 | null |
hard_benchmark | 20 | 1 | easy | 897543216..682957.52.671....52486.37...1526..46.937.5228539.761...215398319768425 | 8 9 7 5 4 3 2 1 6
. . 6 8 2 9 5 7 .
5 2 . 6 7 1 . . .
. 5 2 4 8 6 . 3 7
. . . 1 5 2 6 . .
4 6 . 9 3 7 . 5 2
2 8 5 3 9 . 7 6 1
. . . 2 1 5 3 9 8
3 1 9 7 6 8 4 2 5 | 897543216146829573523671984952486137738152649461937852285394761674215398319768425 | 897543216146829573523671984952486137738152649461937852285394761674215398319768425 #1 Easy (80)
Full House: r7c6=4
Naked Single: r8c3=4
Naked Single: r2c1=1
Naked Single: r3c3=3
Full House: r2c2=4
Full House: r2c9=3
Naked Single: r8c2=7
Full House: r5c2=3
Full House: r8c1=6
Naked Single: r4c1=9
Full House: r4c7=1
Full House: r5c1=7
Naked Single: r5c3=8
Full House: r6c3=1
Full House: r6c7=8
Full House: r3c7=9
Naked Single: r5c8=4
Full House: r3c8=8
Full House: r3c9=4
Full House: r5c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_19 | sudoku | sudoku_19 | null |
hard_benchmark | 23 | 1 | easy | ...5938.4.451683978934271653...5948.78934.51.524..1.3945893...116...594393..14.58 | . . . 5 9 3 8 . 4
. 4 5 1 6 8 3 9 7
8 9 3 4 2 7 1 6 5
3 . . . 5 9 4 8 .
7 8 9 3 4 . 5 1 .
5 2 4 . . 1 . 3 9
4 5 8 9 3 . . . 1
1 6 . . . 5 9 4 3
9 3 . . 1 4 . 5 8 | 671593824245168397893427165316759482789342516524681739458936271162875943937214658 | 671593824245168397893427165316759482789342516524681739458936271162875943937214658 #1 Easy (92)
Full House: r2c1=2
Full House: r1c8=2
Full House: r1c1=6
Full House: r7c8=7
Naked Single: r4c2=1
Full House: r1c2=7
Full House: r4c3=6
Full House: r1c3=1
Naked Single: r4c9=2
Full House: r4c4=7
Full House: r5c9=6
Full House: r5c6=2
Full House: r6c7=7
Full House: r7c6=6
Full House: r7c7=2
Full House: r9c7=6
Naked Single: r6c5=8
Full House: r6c4=6
Full House: r8c5=7
Naked Single: r9c4=2
Full House: r8c4=8
Full House: r8c3=2
Full House: r9c3=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_147 | sudoku | sudoku_147 | null |
hard_benchmark | 29 | 1 | easy | 43965..2.25698.34.781...659..2..69....8.92436694.7..129437652811.5.3.7.48.7..9..3 | 4 3 9 6 5 . . 2 .
2 5 6 9 8 . 3 4 .
7 8 1 . . . 6 5 9
. . 2 . . 6 9 . .
. . 8 . 9 2 4 3 6
6 9 4 . 7 . . 1 2
9 4 3 7 6 5 2 8 1
1 . 5 . 3 . 7 . 4
8 . 7 . . 9 . . 3 | 439657128256981347781324659312846975578192436694573812943765281165238794827419563 | 439657128256981347781324659312846975578192436694573812943765281165238794827419563 #1 Easy (116)
Naked Single: r4c8=7
Naked Single: r2c9=7
Full House: r2c6=1
Naked Single: r5c1=5
Full House: r4c1=3
Naked Single: r9c7=5
Naked Single: r8c6=8
Naked Single: r9c8=6
Full House: r8c8=9
Naked Single: r4c2=1
Full House: r5c2=7
Full House: r5c4=1
Naked Single: r1c9=8
Full House: r1c7=1
Full House: r1c6=7
Full House: r6c7=8
Full House: r4c9=5
Naked Single: r6c6=3
Full House: r3c6=4
Full House: r6c4=5
Naked Single: r8c4=2
Full House: r8c2=6
Full House: r9c2=2
Naked Single: r4c5=4
Full House: r4c4=8
Naked Single: r3c5=2
Full House: r3c4=3
Full House: r9c4=4
Full House: r9c5=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_152 | sudoku | sudoku_152 | null |
hard_benchmark | 20 | 1 | easy | 5..1.6479.479.2615169547832473629158625318794918.5.32679.26..8.2.6.759...5..9..67 | 5 . . 1 . 6 4 7 9
. 4 7 9 . 2 6 1 5
1 6 9 5 4 7 8 3 2
4 7 3 6 2 9 1 5 8
6 2 5 3 1 8 7 9 4
9 1 8 . 5 . 3 2 6
7 9 . 2 6 . . 8 .
2 . 6 . 7 5 9 . .
. 5 . . 9 . . 6 7 | 582136479347982615169547832473629158625318794918754326794261583236875941851493267 | 582136479347982615169547832473629158625318794918754326794261583236875941851493267 #1 Easy (80)
Full House: r8c8=4
Naked Single: r1c3=2
Naked Single: r6c6=4
Full House: r6c4=7
Naked Single: r7c7=5
Full House: r9c7=2
Naked Single: r8c4=8
Full House: r9c4=4
Naked Single: r8c2=3
Full House: r1c2=8
Full House: r8c9=1
Full House: r1c5=3
Full House: r2c1=3
Full House: r9c1=8
Full House: r7c9=3
Full House: r2c5=8
Naked Single: r9c3=1
Full House: r7c3=4
Full House: r7c6=1
Full House: r9c6=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_156 | sudoku | sudoku_156 | null |
hard_benchmark | 27 | 1 | easy | 4.1..837...27.94817583146929751.....6249851371836.795...68.15...194..7...47.96.13 | 4 . 1 . . 8 3 7 .
. . 2 7 . 9 4 8 1
7 5 8 3 1 4 6 9 2
9 7 5 1 . . . . .
6 2 4 9 8 5 1 3 7
1 8 3 6 . 7 9 5 .
. . 6 8 . 1 5 . .
. 1 9 4 . . 7 . .
. 4 7 . 9 6 . 1 3 | 491268375362759481758314692975143826624985137183627954236871549519432768847596213 | 491268375362759481758314692975143826624985137183627954236871549519432768847596213 #1 Easy (108)
Full House: r1c9=5
Naked Single: r2c1=3
Naked Single: r6c9=4
Full House: r6c5=2
Naked Single: r7c2=3
Naked Single: r1c4=2
Full House: r9c4=5
Naked Single: r2c2=6
Full House: r1c2=9
Full House: r1c5=6
Full House: r2c5=5
Naked Single: r7c1=2
Naked Single: r7c9=9
Naked Single: r4c6=3
Full House: r4c5=4
Full House: r8c6=2
Naked Single: r7c5=7
Full House: r8c5=3
Full House: r7c8=4
Naked Single: r9c1=8
Full House: r8c1=5
Full House: r9c7=2
Full House: r4c7=8
Naked Single: r8c8=6
Full House: r4c8=2
Full House: r4c9=6
Full House: r8c9=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_100 | sudoku | sudoku_100 | null |
hard_benchmark | 20 | 1 | easy | 13..4.879..9.13..6.....9341987165..3215934687364...915.2.357194743291568591486732 | 1 3 . . 4 . 8 7 9
. . 9 . 1 3 . . 6
. . . . . 9 3 4 1
9 8 7 1 6 5 . . 3
2 1 5 9 3 4 6 8 7
3 6 4 . . . 9 1 5
. 2 . 3 5 7 1 9 4
7 4 3 2 9 1 5 6 8
5 9 1 4 8 6 7 3 2 | 136542879479813256852679341987165423215934687364728915628357194743291568591486732 | 136542879479813256852679341987165423215934687364728915628357194743291568591486732 #1 Easy (80)
Naked Single: r4c8=2
Full House: r2c8=5
Full House: r2c7=2
Full House: r4c7=4
Naked Single: r1c6=2
Full House: r6c6=8
Naked Single: r2c2=7
Full House: r3c2=5
Naked Single: r1c3=6
Full House: r1c4=5
Naked Single: r3c5=7
Full House: r6c5=2
Full House: r6c4=7
Naked Single: r2c4=8
Full House: r2c1=4
Full House: r3c4=6
Naked Single: r3c1=8
Full House: r3c3=2
Full House: r7c3=8
Full House: r7c1=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_35 | sudoku | sudoku_35 | null |
hard_benchmark | 25 | 1 | easy | 7..984.5....273196...516.8.259638714..7425938438197562..536.879...74.32.3..85.641 | 7 . . 9 8 4 . 5 .
. . . 2 7 3 1 9 6
. . . 5 1 6 . 8 .
2 5 9 6 3 8 7 1 4
. . 7 4 2 5 9 3 8
4 3 8 1 9 7 5 6 2
. . 5 3 6 . 8 7 9
. . . 7 4 . 3 2 .
3 . . 8 5 . 6 4 1 | 761984253584273196923516487259638714617425938438197562145362879896741325372859641 | 761984253584273196923516487259638714617425938438197562145362879896741325372859641 #1 Easy (100)
Full House: r8c9=5
Naked Single: r1c9=3
Full House: r3c9=7
Naked Single: r2c3=4
Naked Single: r7c1=1
Naked Single: r1c7=2
Full House: r3c7=4
Naked Single: r3c1=9
Naked Single: r9c3=2
Naked Single: r2c2=8
Full House: r2c1=5
Naked Single: r5c1=6
Full House: r5c2=1
Full House: r8c1=8
Naked Single: r7c6=2
Full House: r7c2=4
Naked Single: r8c3=6
Naked Single: r3c2=2
Full House: r3c3=3
Full House: r1c3=1
Full House: r1c2=6
Naked Single: r9c6=9
Full House: r8c6=1
Full House: r8c2=9
Full House: r9c2=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_77 | sudoku | sudoku_77 | null |
hard_benchmark | 22 | 1 | easy | 985...164361...57224715693873.945621..672148...436875....6..817879..234661.8.4295 | 9 8 5 . . . 1 6 4
3 6 1 . . . 5 7 2
2 4 7 1 5 6 9 3 8
7 3 . 9 4 5 6 2 1
. . 6 7 2 1 4 8 .
. . 4 3 6 8 7 5 .
. . . 6 . . 8 1 7
8 7 9 . . 2 3 4 6
6 1 . 8 . 4 2 9 5 | 985237164361489572247156938738945621596721483124368759452693817879512346613874295 | 985237164361489572247156938738945621596721483124368759452693817879512346613874295 #1 Easy (88)
Full House: r4c3=8
Naked Single: r5c1=5
Naked Single: r1c4=2
Naked Single: r6c1=1
Full House: r7c1=4
Naked Single: r6c9=9
Full House: r5c9=3
Full House: r5c2=9
Full House: r6c2=2
Full House: r7c2=5
Naked Single: r8c5=1
Full House: r8c4=5
Full House: r2c4=4
Naked Single: r2c6=9
Full House: r2c5=8
Naked Single: r9c3=3
Full House: r7c3=2
Full House: r9c5=7
Naked Single: r7c6=3
Full House: r1c6=7
Full House: r1c5=3
Full House: r7c5=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_126 | sudoku | sudoku_126 | null |
hard_benchmark | 27 | 1 | easy | 8372961451293....6546.87..3.8.9..4.1.9..1.5.2261.....93728.1.94658439217914...358 | 8 3 7 2 9 6 1 4 5
1 2 9 3 . . . . 6
5 4 6 . 8 7 . . 3
. 8 . 9 . . 4 . 1
. 9 . . 1 . 5 . 2
2 6 1 . . . . . 9
3 7 2 8 . 1 . 9 4
6 5 8 4 3 9 2 1 7
9 1 4 . . . 3 5 8 | 837296145129345786546187923785923461493618572261574839372851694658439217914762358 | 837296145129345786546187923785923461493618572261574839372851694658439217914762358 #1 Easy (108)
Full House: r7c7=6
Full House: r7c5=5
Naked Single: r3c4=1
Naked Single: r4c1=7
Full House: r5c1=4
Naked Single: r3c8=2
Full House: r3c7=9
Naked Single: r5c3=3
Full House: r4c3=5
Naked Single: r9c6=2
Naked Single: r2c5=4
Full House: r2c6=5
Naked Single: r5c6=8
Naked Single: r4c6=3
Full House: r6c6=4
Naked Single: r6c5=7
Naked Single: r4c8=6
Full House: r4c5=2
Full House: r9c5=6
Full House: r9c4=7
Naked Single: r5c4=6
Full House: r6c4=5
Full House: r5c8=7
Naked Single: r6c7=8
Full House: r2c7=7
Full House: r2c8=8
Full House: r6c8=3
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_238 | sudoku | sudoku_238 | null |
hard_benchmark | 21 | 1 | easy | 1642.59..8259371467394615823576..218486.1239.9123.867424.....63593..6.2167..2...9 | 1 6 4 2 . 5 9 . .
8 2 5 9 3 7 1 4 6
7 3 9 4 6 1 5 8 2
3 5 7 6 . . 2 1 8
4 8 6 . 1 2 3 9 .
9 1 2 3 . 8 6 7 4
2 4 . . . . . 6 3
5 9 3 . . 6 . 2 1
6 7 . . 2 . . . 9 | 164285937825937146739461582357694218486712395912358674241579863593846721678123459 | 164285937825937146739461582357694218486712395912358674241579863593846721678123459 #1 Easy (84)
Full House: r1c5=8
Full House: r5c9=5
Full House: r6c5=5
Full House: r1c9=7
Full House: r1c8=3
Full House: r9c8=5
Full House: r5c4=7
Naked Single: r7c6=9
Naked Single: r8c4=8
Naked Single: r4c6=4
Full House: r4c5=9
Full House: r9c6=3
Naked Single: r7c5=7
Full House: r8c5=4
Full House: r8c7=7
Naked Single: r9c4=1
Full House: r7c4=5
Naked Single: r7c7=8
Full House: r7c3=1
Full House: r9c3=8
Full House: r9c7=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_231 | sudoku | sudoku_231 | null |
hard_benchmark | 19 | 1 | easy | ....7658363..5.7..25.3.86..342195876986724351...863492829637145461582937573...268 | . . . . 7 6 5 8 3
6 3 . . 5 . 7 . .
2 5 . 3 . 8 6 . .
3 4 2 1 9 5 8 7 6
9 8 6 7 2 4 3 5 1
. . . 8 6 3 4 9 2
8 2 9 6 3 7 1 4 5
4 6 1 5 8 2 9 3 7
5 7 3 . . . 2 6 8 | 194276583638951724257348619342195876986724351715863492829637145461582937573419268 | 194276583638951724257348619342195876986724351715863492829637145461582937573419268 #1 Easy (76)
Naked Single: r3c8=1
Full House: r2c8=2
Naked Single: r1c1=1
Full House: r6c1=7
Naked Single: r1c3=4
Naked Single: r6c2=1
Full House: r1c2=9
Full House: r6c3=5
Full House: r1c4=2
Naked Single: r3c5=4
Full House: r9c5=1
Naked Single: r2c3=8
Full House: r3c3=7
Full House: r3c9=9
Full House: r2c9=4
Naked Single: r2c4=9
Full House: r2c6=1
Full House: r9c6=9
Full House: r9c4=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_21 | sudoku | sudoku_21 | null |
hard_benchmark | 29 | 1 | easy | 948631527762..9..3135.2796.32..95.4..9.....5.65...87.95139.6...4893126752765..3.. | 9 4 8 6 3 1 5 2 7
7 6 2 . . 9 . . 3
1 3 5 . 2 7 9 6 .
3 2 . . 9 5 . 4 .
. 9 . . . . . 5 .
6 5 . . . 8 7 . 9
5 1 3 9 . 6 . . .
4 8 9 3 1 2 6 7 5
2 7 6 5 . . 3 . . | 948631527762859413135427968327195846894763152651248739513976284489312675276584391 | 948631527762859413135427968327195846894763152651248739513976284489312675276584391 #1 Easy (116)
Full House: r5c1=8
Naked Single: r6c5=4
Naked Single: r9c6=4
Full House: r5c6=3
Naked Single: r7c8=8
Naked Single: r6c3=1
Naked Single: r9c5=8
Full House: r7c5=7
Naked Single: r2c8=1
Naked Single: r9c9=1
Full House: r9c8=9
Full House: r6c8=3
Full House: r6c4=2
Naked Single: r4c3=7
Full House: r5c3=4
Naked Single: r2c5=5
Full House: r5c5=6
Naked Single: r4c4=1
Full House: r5c4=7
Naked Single: r5c9=2
Full House: r5c7=1
Naked Single: r4c7=8
Full House: r4c9=6
Naked Single: r7c9=4
Full House: r3c9=8
Full House: r2c7=4
Full House: r7c7=2
Full House: r3c4=4
Full House: r2c4=8
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_157 | sudoku | sudoku_157 | null |
hard_benchmark | 27 | 1 | easy | .3..9..7..927..3.65743......8..2.7.9.1.98..232594.3.61928.57134365149287741832695 | . 3 . . 9 . . 7 .
. 9 2 7 . . 3 . 6
5 7 4 3 . . . . .
. 8 . . 2 . 7 . 9
. 1 . 9 8 . . 2 3
2 5 9 4 . 3 . 6 1
9 2 8 . 5 7 1 3 4
3 6 5 1 4 9 2 8 7
7 4 1 8 3 2 6 9 5 | 136295478892714356574368912683521749417986523259473861928657134365149287741832695 | 136295478892714356574368912683521749417986523259473861928657134365149287741832695 #1 Easy (108)
Full House: r7c4=6
Naked Single: r6c5=7
Full House: r6c7=8
Naked Single: r2c5=1
Full House: r3c5=6
Naked Single: r1c3=6
Naked Single: r3c8=1
Naked Single: r4c4=5
Full House: r1c4=2
Naked Single: r3c7=9
Naked Single: r2c1=8
Full House: r1c1=1
Naked Single: r3c6=8
Full House: r3c9=2
Full House: r1c9=8
Naked Single: r4c3=3
Full House: r5c3=7
Naked Single: r4c8=4
Full House: r2c8=5
Full House: r5c7=5
Full House: r1c7=4
Full House: r2c6=4
Full House: r1c6=5
Naked Single: r5c6=6
Full House: r4c6=1
Full House: r4c1=6
Full House: r5c1=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_169 | sudoku | sudoku_169 | null |
hard_benchmark | 22 | 1 | easy | 198.45..747..391.8..3871.9494.3..76138..1.429..1794385..49.3872.264.8913839127546 | 1 9 8 . 4 5 . . 7
4 7 . . 3 9 1 . 8
. . 3 8 7 1 . 9 4
9 4 . 3 . . 7 6 1
3 8 . . 1 . 4 2 9
. . 1 7 9 4 3 8 5
. . 4 9 . 3 8 7 2
. 2 6 4 . 8 9 1 3
8 3 9 1 2 7 5 4 6 | 198245637472639158653871294945382761387516429261794385514963872726458913839127546 | 198245637472639158653871294945382761387516429261794385514963872726458913839127546 #1 Easy (88)
Naked Single: r1c8=3
Full House: r2c8=5
Naked Single: r5c6=6
Full House: r4c6=2
Naked Single: r6c2=6
Full House: r6c1=2
Naked Single: r7c1=5
Naked Single: r8c5=5
Full House: r7c5=6
Full House: r7c2=1
Full House: r3c2=5
Full House: r8c1=7
Full House: r3c1=6
Full House: r2c3=2
Full House: r4c5=8
Full House: r5c4=5
Full House: r4c3=5
Full House: r3c7=2
Full House: r2c4=6
Full House: r5c3=7
Full House: r1c7=6
Full House: r1c4=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_191 | sudoku | sudoku_191 | null |
hard_benchmark | 23 | 1 | easy | 19..472.3.72...4...842..1...45...3729374526182.1.73549...368725723195864658724931 | 1 9 . . 4 7 2 . 3
. 7 2 . . . 4 . .
. 8 4 2 . . 1 . .
. 4 5 . . . 3 7 2
9 3 7 4 5 2 6 1 8
2 . 1 . 7 3 5 4 9
. . . 3 6 8 7 2 5
7 2 3 1 9 5 8 6 4
6 5 8 7 2 4 9 3 1 | 196547283372981456584236197845619372937452618261873549419368725723195864658724931 | 196547283372981456584236197845619372937452618261873549419368725723195864658724931 #1 Easy (92)
Naked Single: r1c3=6
Full House: r7c3=9
Naked Single: r6c2=6
Full House: r7c2=1
Full House: r7c1=4
Full House: r4c1=8
Full House: r6c4=8
Naked Single: r2c9=6
Full House: r3c9=7
Naked Single: r3c5=3
Naked Single: r4c5=1
Full House: r2c5=8
Naked Single: r1c4=5
Full House: r1c8=8
Naked Single: r3c1=5
Full House: r2c1=3
Naked Single: r2c4=9
Full House: r4c4=6
Full House: r4c6=9
Naked Single: r3c8=9
Full House: r2c8=5
Full House: r2c6=1
Full House: r3c6=6
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_115 | sudoku | sudoku_115 | null |
hard_benchmark | 16 | 1 | easy | 592..318431.892..778.541..38734..519641935872259..8346127359468435..7921968..4735 | 5 9 2 . . 3 1 8 4
3 1 . 8 9 2 . . 7
7 8 . 5 4 1 . . 3
8 7 3 4 . . 5 1 9
6 4 1 9 3 5 8 7 2
2 5 9 . . 8 3 4 6
1 2 7 3 5 9 4 6 8
4 3 5 . . 7 9 2 1
9 6 8 . . 4 7 3 5 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 #1 Easy (64)
Full House: r4c6=6
Full House: r4c5=2
Naked Single: r3c3=6
Full House: r2c3=4
Naked Single: r2c7=6
Full House: r2c8=5
Full House: r3c8=9
Full House: r3c7=2
Naked Single: r8c4=6
Full House: r8c5=8
Naked Single: r9c5=1
Full House: r9c4=2
Naked Single: r1c4=7
Full House: r1c5=6
Full House: r6c5=7
Full House: r6c4=1
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_42 | sudoku | sudoku_42 | null |
hard_benchmark | 28 | 1 | easy | 1574862398.2.15764...7..158...8.1.25248.5..175....7.83....68591685..43729215..846 | 1 5 7 4 8 6 2 3 9
8 . 2 . 1 5 7 6 4
. . . 7 . . 1 5 8
. . . 8 . 1 . 2 5
2 4 8 . 5 . . 1 7
5 . . . . 7 . 8 3
. . . . 6 8 5 9 1
6 8 5 . . 4 3 7 2
9 2 1 5 . . 8 4 6 | 157486239832915764496732158763841925248359617519627483374268591685194372921573846 | 157486239832915764496732158763841925248359617519627483374268591685194372921573846 #1 Easy (112)
Naked Single: r8c5=9
Full House: r8c4=1
Naked Single: r9c6=3
Full House: r9c5=7
Full House: r7c4=2
Naked Single: r5c6=9
Full House: r3c6=2
Naked Single: r5c7=6
Full House: r5c4=3
Naked Single: r6c4=6
Full House: r2c4=9
Full House: r3c5=3
Full House: r2c2=3
Naked Single: r4c5=4
Full House: r6c5=2
Naked Single: r6c3=9
Naked Single: r3c1=4
Naked Single: r7c2=7
Naked Single: r4c7=9
Full House: r6c7=4
Full House: r6c2=1
Naked Single: r3c3=6
Full House: r3c2=9
Full House: r4c2=6
Naked Single: r7c1=3
Full House: r4c1=7
Full House: r4c3=3
Full House: r7c3=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_160 | sudoku | sudoku_160 | null |
hard_benchmark | 33 | 1 | easy | ...6143.74..2.81.6.61.754288945.72.1..542.87....891564...74..1.....8.74.74315..82 | . . . 6 1 4 3 . 7
4 . . 2 . 8 1 . 6
. 6 1 . 7 5 4 2 8
8 9 4 5 . 7 2 . 1
. . 5 4 2 . 8 7 .
. . . 8 9 1 5 6 4
. . . 7 4 . . 1 .
. . . . 8 . 7 4 .
7 4 3 1 5 . . 8 2 | 582614397479238156361975428894567231615423879237891564958742613126389745743156982 | 582614397479238156361975428894567231615423879237891564958742613126389745743156982 #1 Easy (132)
Naked Single: r2c5=3
Full House: r3c4=9
Full House: r4c5=6
Full House: r4c8=3
Full House: r3c1=3
Full House: r8c4=3
Full House: r5c6=3
Full House: r5c9=9
Naked Single: r6c1=2
Naked Single: r5c2=1
Full House: r5c1=6
Naked Single: r8c9=5
Full House: r7c9=3
Naked Single: r6c3=7
Full House: r6c2=3
Naked Single: r8c2=2
Naked Single: r2c3=9
Naked Single: r1c1=5
Naked Single: r2c8=5
Full House: r1c8=9
Full House: r2c2=7
Naked Single: r8c3=6
Naked Single: r1c2=8
Full House: r1c3=2
Full House: r7c3=8
Full House: r7c2=5
Naked Single: r7c1=9
Full House: r8c1=1
Full House: r8c6=9
Naked Single: r7c7=6
Full House: r7c6=2
Full House: r9c6=6
Full House: r9c7=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_222 | sudoku | sudoku_222 | null |
hard_benchmark | 32 | 1 | easy | .1.8432..7386124596427598...2.1875...7...63.8865..491715..68....87..1...29..751.. | . 1 . 8 4 3 2 . .
7 3 8 6 1 2 4 5 9
6 4 2 7 5 9 8 . .
. 2 . 1 8 7 5 . .
. 7 . . . 6 3 . 8
8 6 5 . . 4 9 1 7
1 5 . . 6 8 . . .
. 8 7 . . 1 . . .
2 9 . . 7 5 1 . . | 519843276738612459642759831923187564471596328865234917154368792387921645296475183 | 519843276738612459642759831923187564471596328865234917154368792387921645296475183 #1 Easy (128)
Naked Single: r1c3=9
Full House: r1c1=5
Naked Single: r3c8=3
Full House: r3c9=1
Naked Single: r1c9=6
Full House: r1c8=7
Naked Single: r7c7=7
Full House: r8c7=6
Naked Single: r4c9=4
Naked Single: r4c3=3
Naked Single: r4c8=6
Full House: r5c8=2
Full House: r4c1=9
Naked Single: r9c9=3
Naked Single: r7c3=4
Naked Single: r5c5=9
Naked Single: r5c1=4
Full House: r5c3=1
Full House: r8c1=3
Full House: r9c3=6
Full House: r5c4=5
Naked Single: r7c9=2
Full House: r8c9=5
Naked Single: r9c4=4
Full House: r9c8=8
Naked Single: r7c8=9
Full House: r7c4=3
Full House: r8c8=4
Naked Single: r8c5=2
Full House: r6c5=3
Full House: r6c4=2
Full House: r8c4=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_171 | sudoku | sudoku_171 | null |
hard_benchmark | 19 | 1 | easy | 51.48623.4823.7.1563.2....4.65843721.41725.63.7361945.3589721467261345..194568... | 5 1 . 4 8 6 2 3 .
4 8 2 3 . 7 . 1 5
6 3 . 2 . . . . 4
. 6 5 8 4 3 7 2 1
. 4 1 7 2 5 . 6 3
. 7 3 6 1 9 4 5 .
3 5 8 9 7 2 1 4 6
7 2 6 1 3 4 5 . .
1 9 4 5 6 8 . . . | 519486237482397615637251894965843721841725963273619458358972146726134589194568372 | 519486237482397615637251894965843721841725963273619458358972146726134589194568372 #1 Easy (76)
Full House: r4c1=9
Full House: r3c6=1
Naked Single: r2c5=9
Full House: r2c7=6
Full House: r3c5=5
Naked Single: r6c9=8
Full House: r5c7=9
Full House: r5c1=8
Full House: r6c1=2
Naked Single: r9c7=3
Full House: r3c7=8
Naked Single: r9c8=7
Full House: r9c9=2
Naked Single: r8c9=9
Full House: r1c9=7
Full House: r3c8=9
Full House: r8c8=8
Full House: r1c3=9
Full House: r3c3=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_116 | sudoku | sudoku_116 | null |
hard_benchmark | 22 | 1 | easy | 743896215..5274369..6135487..2683974638749.....9512638.6..21.9.95..6872.321.57..6 | 7 4 3 8 9 6 2 1 5
. . 5 2 7 4 3 6 9
. . 6 1 3 5 4 8 7
. . 2 6 8 3 9 7 4
6 3 8 7 4 9 . . .
. . 9 5 1 2 6 3 8
. 6 . . 2 1 . 9 .
9 5 . . 6 8 7 2 .
3 2 1 . 5 7 . . 6 | 743896215185274369296135487512683974638749152479512638867421593954368721321957846 | 743896215185274369296135487512683974638749152479512638867421593954368721321957846 #1 Easy (88)
Naked Single: r6c1=4
Full House: r6c2=7
Naked Single: r7c9=3
Naked Single: r3c1=2
Full House: r3c2=9
Naked Single: r4c2=1
Full House: r2c2=8
Full House: r4c1=5
Full House: r2c1=1
Full House: r7c1=8
Naked Single: r5c8=5
Full House: r9c8=4
Naked Single: r8c3=4
Full House: r7c3=7
Naked Single: r9c7=8
Full House: r9c4=9
Naked Single: r7c4=4
Full House: r7c7=5
Full House: r8c9=1
Full House: r5c7=1
Full House: r8c4=3
Full House: r5c9=2
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_127 | sudoku | sudoku_127 | null |
hard_benchmark | 19 | 1 | easy | 6852791439..154628214638795.51.4.2..428.6153.769523814.7649.381.42...97.19..8.452 | 6 8 5 2 7 9 1 4 3
9 . . 1 5 4 6 2 8
2 1 4 6 3 8 7 9 5
. 5 1 . 4 . 2 . .
4 2 8 . 6 1 5 3 .
7 6 9 5 2 3 8 1 4
. 7 6 4 9 . 3 8 1
. 4 2 . . . 9 7 .
1 9 . . 8 . 4 5 2 | 685279143937154628214638795351847269428961537769523814576492381842315976193786452 | 685279143937154628214638795351847269428961537769523814576492381842315976193786452 #1 Easy (76)
Full House: r4c1=3
Full House: r2c2=3
Full House: r4c8=6
Full House: r8c9=6
Full House: r8c5=1
Full House: r2c3=7
Full House: r9c3=3
Naked Single: r4c6=7
Naked Single: r7c1=5
Full House: r7c6=2
Full House: r8c1=8
Naked Single: r8c4=3
Full House: r8c6=5
Full House: r9c6=6
Full House: r9c4=7
Naked Single: r4c9=9
Full House: r4c4=8
Full House: r5c4=9
Full House: r5c9=7
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_151 | sudoku | sudoku_151 | null |
hard_benchmark | 23 | 1 | easy | 5231678..8713495266942587..2.781.6...1.69.4579465.3...4.2936.75...4..9681697853.2 | 5 2 3 1 6 7 8 . .
8 7 1 3 4 9 5 2 6
6 9 4 2 5 8 7 . .
2 . 7 8 1 . 6 . .
. 1 . 6 9 . 4 5 7
9 4 6 5 . 3 . . .
4 . 2 9 3 6 . 7 5
. . . 4 . . 9 6 8
1 6 9 7 8 5 3 . 2 | 523167894871349526694258713257814639318692457946573281482936175735421968169785342 | 523167894871349526694258713257814639318692457946573281482936175735421968169785342 #1 Easy (92)
Full House: r9c8=4
Full House: r7c7=1
Full House: r7c2=8
Full House: r6c7=2
Naked Single: r5c1=3
Full House: r8c1=7
Naked Single: r5c3=8
Full House: r5c6=2
Full House: r8c3=5
Full House: r4c2=5
Full House: r8c2=3
Naked Single: r4c6=4
Full House: r6c5=7
Full House: r8c5=2
Full House: r8c6=1
Naked Single: r6c9=1
Full House: r6c8=8
Naked Single: r1c8=9
Full House: r1c9=4
Naked Single: r3c9=3
Full House: r3c8=1
Full House: r4c8=3
Full House: r4c9=9
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_183 | sudoku | sudoku_183 | null |
hard_benchmark | 19 | 1 | easy | 82.6917533917526486753481929.61..5.75.7..6319132975.64.1..6.9.5259817436.6.5.9..1 | 8 2 . 6 9 1 7 5 3
3 9 1 7 5 2 6 4 8
6 7 5 3 4 8 1 9 2
9 . 6 1 . . 5 . 7
5 . 7 . . 6 3 1 9
1 3 2 9 7 5 . 6 4
. 1 . . 6 . 9 . 5
2 5 9 8 1 7 4 3 6
. 6 . 5 . 9 . . 1 | 824691753391752648675348192946183527587426319132975864713264985259817436468539271 | 824691753391752648675348192946183527587426319132975864713264985259817436468539271 #1 Easy (76)
Full House: r1c3=4
Full House: r6c7=8
Full House: r4c8=2
Full House: r9c7=2
Naked Single: r9c5=3
Naked Single: r4c5=8
Full House: r5c5=2
Naked Single: r7c6=4
Full House: r4c6=3
Full House: r4c2=4
Full House: r5c4=4
Full House: r7c4=2
Full House: r5c2=8
Naked Single: r9c3=8
Full House: r7c3=3
Naked Single: r7c1=7
Full House: r7c8=8
Full House: r9c8=7
Full House: r9c1=4
| Complete the sudoku board based on the rules and visual elements. | 9 | 9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | sudoku_12 | sudoku | sudoku_12 | null |
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