X1X7X2XXX
问题描述:
X1X7X2XXX
XXXXXX2X8
X2X8XXX1X
8X3XX7XX2
XX1XXX4XX
6XX5XX8X1
X9XXX6X7X
5X6XXXXXX
XXX1X4X8X
答
+---+---+---+|318|792|546||765|431|298||429|865|713|+---+---+---+|843|617|952||951|328|467||672|549|831|+---+---+---+|194|286|375||586|973|124||237|154|689|+---+---+---+