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| Author |
system
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| Difficulty | 15 kyu (history) | ||
| AVG solve time | 39 sec | ||
| User attempts | 4505 / 10607 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2006-01-02 | ||
| Source | self | ||
| Stars | 4.29 (21 votes) | ||
| Collections | |||
| Your attempts | N/A | ||