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| Author |
symplicity
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| Difficulty | 21 kyu (history) | ||
| AVG solve time | 26 sec | ||
| User attempts | 4607 / 10092 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2007-09-21 | ||
| Source | |||
| Stars | 4.48 (23 votes) | ||
| Collections | |||
| Your attempts | N/A | ||