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| Author |
BostonGo
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| Difficulty | 27 kyu (history) | ||
| AVG solve time | 19 sec | ||
| User attempts | 17408 / 23507 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2007-11-10 | ||
| Source | Magazine problems collected by Ichimura Sensei | ||
| Stars | 3.55 (33 votes) | ||
| Collections | |||
| Your attempts | N/A | ||