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