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| Author |
tails
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| Difficulty | 20 kyu (history) | ||
| AVG solve time | 31 sec | ||
| User attempts | 4604 / 7559 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2010-10-16 | ||
| Source | Problem 7020 | ||
| Stars | 3.7 (33 votes) | ||
| Collections | |||
| Your attempts | N/A | ||