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| Name | Start time |
|---|---|
| The 18th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2018/2019) Day 2 | 2025-11-12 13:29:08 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 2 | 2025-07-24 13:30:04 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 1 | 2025-07-03 12:28:58 |