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