![](http://imgsrc.baidu.com/forum/w%3D580/sign=ffc4e0b79f2f07085f052a08d925b865/270b3987e950352abe4ed7f05243fbf2b3118b17.jpg?v=tbs)
R1C1==R1C4--R3C4==R3C1
数字9形成X-WING,删除R7C1候选数9
R3C9==R3C8--R9C8==R7C9
数字7形成X-WING,删除R4C9、R6C9候选数7
R7C6==R9C6--R9C3==R7C3
数字9形成X-WING,删除R7C1、R7C5候选数9
R2C3==R2C1--R7C1==R7C3R8C3R9C3
可删除R4C3、R6C3候选数7
R6C1==R4C1--R4C7==R6C7R6C8
可删除R6C5、R6C6候选数6
数字9形成X-WING,删除R7C1候选数9
R3C9==R3C8--R9C8==R7C9
数字7形成X-WING,删除R4C9、R6C9候选数7
R7C6==R9C6--R9C3==R7C3
数字9形成X-WING,删除R7C1、R7C5候选数9
R2C3==R2C1--R7C1==R7C3R8C3R9C3
可删除R4C3、R6C3候选数7
R6C1==R4C1--R4C7==R6C7R6C8
可删除R6C5、R6C6候选数6