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