| problem_id,start_at,end_at,weight | |
| ahc001,2021-03-06 12:00:00+09:00,2021-03-14 20:00:00+09:00,1.0 | |
| ahc002,2021-04-25 19:00:00+09:00,2021-04-25 23:00:00+09:00,1.0 | |
| ahc003,2021-05-22 12:00:00+09:00,2021-05-30 20:00:00+09:00,1.0 | |
| ahc004,2021-06-26 13:00:00+09:00,2021-06-26 19:00:00+09:00,1.0 | |
| ahc005,2021-08-07 16:00:00+09:00,2021-08-07 20:00:00+09:00,1.0 | |
| rcl-contest-2021-long,2021-09-05 18:00:00+09:00,2021-09-12 18:00:00+09:00,1.0 | |
| future-contest-2022-qual,2021-11-03 19:00:00+09:00,2021-11-13 19:00:00+09:00,1.0 | |
| ahc006,2021-11-14 16:00:00+09:00,2021-11-14 20:00:00+09:00,1.0 | |
| ahc007,2021-12-12 16:00:00+09:00,2021-12-12 20:00:00+09:00,1.0 | |
| ahc008,2022-02-12 12:00:00+09:00,2022-02-26 19:00:00+09:00,1.0 | |
| ahc009,2022-03-26 15:00:00+09:00,2022-03-26 19:00:00+09:00,1.0 | |
| ahc010,2022-04-24 15:00:00+09:00,2022-04-24 19:00:00+09:00,1.0 | |
| ahc011,2022-05-28 12:00:00+09:00,2022-06-05 19:00:00+09:00,1.0 | |
| ahc012,2022-07-03 15:00:00+09:00,2022-07-03 19:00:00+09:00,1.0 | |
| ahc013,2022-08-09 21:00:00+09:00,2022-08-16 21:00:00+09:00,1.0 | |
| ahc014,2022-09-17 15:00:00+09:00,2022-10-01 19:00:00+09:00,1.0 | |
| ahc015,2022-10-30 15:00:00+09:00,2022-10-30 19:00:00+09:00,1.0 | |
| ahc016,2022-11-11 19:00:00+09:00,2022-11-20 19:00:00+09:00,1.0 | |
| ahc017,2023-01-28 12:00:00+09:00,2023-02-05 20:00:00+09:00,1.0 | |
| ahc018,2023-02-18 12:00:00+09:00,2023-02-26 19:00:00+09:00,1.0 | |
| ahc019,2023-03-18 12:00:00+09:00,2023-04-02 19:00:00+09:00,1.0 | |
| ahc020,2023-06-11 15:00:00+09:00,2023-06-11 19:00:00+09:00,1.0 | |
| ahc021,2023-06-25 15:00:00+09:00,2023-06-25 19:00:00+09:00,1.0 | |
| ahc022,2023-08-11 12:00:00+09:00,2023-08-20 19:00:00+09:00,1.0 | |
| toyota2023summer-final,2023-08-27 10:15:00+09:00,2023-08-27 13:45:00+09:00,1.0 | |
| ahc023,2023-09-03 10:00:00+09:00,2023-09-10 20:00:00+09:00,1.0 | |
| ahc024,2023-09-24 15:00:00+09:00,2023-09-24 19:00:00+09:00,1.0 | |
| ahc025,2023-10-14 12:00:00+09:00,2023-10-22 19:00:00+09:00,1.0 | |
| ahc026,2023-11-05 15:00:00+09:00,2023-11-05 19:00:00+09:00,1.0 | |
| ahc027,2023-12-01 19:00:00+09:00,2023-12-10 19:00:00+09:00,1.0 | |
| ahc029,2023-12-22 12:00:00+09:00,2023-12-26 21:00:00+09:00,1.0 | |
| ahc028,2024-01-13 15:00:00+09:00,2024-01-13 19:00:00+09:00,1.0 | |
| ahc030,2024-02-09 19:00:00+09:00,2024-02-19 19:00:00+09:00,1.0 | |
| ahc031,2024-03-22 19:00:00+09:00,2024-04-01 19:00:00+09:00,1.0 | |
| ahc032,2024-04-07 19:00:00+09:00,2024-04-07 23:00:00+09:00,1.0 | |
| ahc033,2024-05-17 19:00:00+09:00,2024-05-27 19:00:00+09:00,1.0 | |
| ahc034,2024-06-16 15:00:00+09:00,2024-06-16 19:00:00+09:00,1.0 | |
| ahc035,2024-07-21 15:00:00+09:00,2024-07-21 19:00:00+09:00,1.0 | |
| ahc036,2024-08-23 19:00:00+09:00,2024-09-02 19:00:00+09:00,1.0 | |
| ahc037,2024-09-15 19:00:00+09:00,2024-09-15 23:00:00+09:00,1.0 | |
| ahc038,2024-10-04 19:00:00+09:00,2024-10-14 19:00:00+09:00,1.0 | |
| ahc039,2024-11-10 15:00:00+09:00,2024-11-10 19:00:00+09:00,1.0 | |
| ahc040,2024-11-29 19:00:00+09:00,2024-12-09 19:00:00+09:00,1.0 | |
| ahc041,2025-01-19 15:00:00+09:00,2025-01-19 19:00:00+09:00,0.5 | |
| ahc042,2025-02-02 19:00:00+09:00,2025-02-02 23:00:00+09:00,0.5 | |
| ahc043,2025-02-14 19:00:00+09:00,2025-02-24 19:00:00+09:00,1.0 | |
| ahc044,2025-03-16 19:00:00+09:00,2025-03-16 23:00:00+09:00,0.5 | |
| ahc045,2025-03-28 19:00:00+09:00,2025-04-07 19:00:00+09:00,1.0 | |
| ahc046,2025-04-26 15:00:00+09:00,2025-04-26 19:00:00+09:00,0.5 | |