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