谁有几道数独题?快

XXX92X5X7
XXX87X3X1
X37XXXXXX
XXXXX9XX6
X56XXXX2X
97XXX2XX8
XXXX6XX1X
X62XX7XXX
7X5X4XX3X

简单:
7 2 9 3 6 5 1 4 8
4 1 8 9 2 7 5 3 6
3 6 5 1 8 4 9 2 7
2 4 7 8 1 6 3 9 5
6 8 3 5 4 9 7 1 2
9 5 1 7 3 2 8 6 4
8 3 4 6 7 1 2 5 9
1 9 2 4 5 8 6 7 3
5 7 6 2 9 3 4 8 1

中等:
4 5 7 2 6 3 1 9 8
8 3 2 9 5 1 6 4 7
1 6 9 8 7 4 2 3 5
3 1 6 5 9 2 7 8 4
9 4 8 6 1 7 5 2 3
7 2 5 4 3 8 9 6 1
2 7 1 3 4 6 8 5 9
6 9 4 7 8 5 3 1 2
5 8 3 1 2 9 4 7 6

难:
8 4 7 9 3 1 5 2 6
9 5 2 6 4 8 1 3 7
3 1 6 2 5 7 8 4 9
5 6 8 4 1 2 9 7 3
7 2 1 3 6 9 4 8 5
4 3 9 8 7 5 2 6 1
6 8 5 7 9 4 3 1 2
2 9 3 1 8 6 7 5 4
1 7 4 5 2 3 6 9 8

简单：
7XX36XXX8
X1XXXX5X6
3X518X92X
XXXX16X9X
XX3X4X7XX
X5X73XXXX
X34X712X9
1X2XXXX7X
5XXX93XX1

中等：
X572XXX9X
8XXX5X6