| Author | santa c | Created | 2009-01-16 |
| Difficulty | 15 kyu (history) | Source | Problem #12260 |
| AVG solve time | 53 sec | Stars | 4.25 (16 votes) |
| User attempts | 2397 / 6134 | Collections | Middle based, Basic Shape |
| Genre | life and death ⓒ | Your attempts | N/A |
| Similar problems | |||
| Created | 2009-01-16 | ||
| Source | Problem #12260 | ||
| Stars | 4.25 (16 votes) | ||
| Collections | Middle based, Basic Shape | ||
| Your attempts | N/A | ||