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| Author |
ccsco
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| Difficulty | 23 kyu (history) | ||
| AVG solve time | 35 sec | ||
| User attempts | 6076 / 9967 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2009-07-17 | ||
| Source | Problem book (Cho Chikun) | ||
| Stars | 4.12 (43 votes) | ||
| Collections | |||
| Your attempts | N/A | ||