Problem 2396. -- [Shoi2010]滚动的正四面体

2396: [Shoi2010]滚动的正四面体

Time Limit: 5 Sec  Memory Limit: 256 MB
Submit: 1  Solved: 1
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Description

http://www.lydsy.com:808/JudgeOnline/problem.php?id=2518

Input

Output

HINT

Source

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