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此题是mod 11380的，注意不要输出负的！！我用的是f(l1,l2,l3,d)表示深度不超过d的状态，结果是f(l1,l2,l3,d)-f(l1,l2,l3,d-1)。但是如果f(l1,l2,l3,d)<f(l1,l2,l3,d-1)的话要先加上11380再mod！！！ WA了3次以后终于AC了！！ Followed by:
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