答案:数独题库非常庞大,这里提供几个3x3数独的示例:
1. 5 3 0 | 0 7 0 | 0 0 0
6 0 0 | 1 9 5 | 0 0 0
0 9 8 | 0 0 0 | 0 6 0
------+-------+------
8 0 0 | 0 6 0 | 0 0 3
4 0 0 | 8 0 3 | 0 0 1
7 0 0 | 0 2 0 | 0 0 6
------+-------+------
0 6 0 | 0 0 0 | 2 8 0
0 0 0 | 4 1 9 | 0 0 5
0 0 0 | 0 8 0 | 0 7 9
2. 0 0 0 | 8 0 0 | 0 0 0
0 6 0 | 0 0 0 | 2 8 0
0 0 3 | 6 0 0 | 0 0 5
------+-------+------
7 0 5 | 0 0 0 | 0 0 0
0 0 0 | 4 5 7 | 0 0 0
0 0 0 | 0 0 0 | 0 0 0
------+-------+------
4 0 0 | 0 0 0 | 0 0 7
2 7 0 | 0 0 0 | 0 0 6
0 5 0 | 0 0 0 | 0 0 0
请注意,这些只是示例,数独题库中包含无数个不同的数独题目。