7,13,(4,14,12)
12,3,4,6
回避
9,16,17,(3,4)
(16,8,14)
6,5,1
4,6,5,(12,7,13)
3
1,13,14
(4,5)
11,2,8,10,(1)
15,12,10
7,5,1,(9)