问题描述:
用X代表空的.
XX6XX7XX9
8XXX3X1XX
9XX6X5X3X
XX3XXXX18
XXX9X1XXX
21XXXX6XX
X6X7X3XX1
XX9X2XXX4
7XX8XX5XX
下面还有道
5X1X3XXX7
X8XXXXX6X
XXXXX6XX4
XX3961XXX
8XX5X3XX9
XXX7286XX
1XX3XXXXX
X2XXXXX3X
9XXX7X8X1
XX6XX7XX9
8XXX3X1XX
9XX6X5X3X
XX3XXXX18
XXX9X1XXX
21XXXX6XX
X6X7X3XX1
XX9X2XXX4
7XX8XX5XX
下面还有道
5X1X3XXX7
X8XXXXX6X
XXXXX6XX4
XX3961XXX
8XX5X3XX9
XXX7286XX
1XX3XXXXX
X2XXXXX3X
9XXX7X8X1
问题解答:
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