testcases_sudoku.txt

7

3
0 1 0
0 0 2
3 0 0

4
0 0 1 0
0 0 2 0
4 0 0 0
0 0 4 1

2
2 1
2 1

4
0 0 1 1
0 0 2 0
4 0 0 0
0 0 4 1

2
1 1
0 0

9
0 2 0 0 0 0 0 0 0
0 0 0 6 0 0 0 0 3
0 7 4 0 8 0 0 0 0
0 0 0 0 0 3 0 0 2
0 8 0 0 4 0 0 1 0
6 0 0 5 0 0 0 0 0
0 0 0 0 1 0 7 8 0
5 0 0 0 0 9 0 0 0
0 0 0 0 0 0 0 4 0

2
1 2
2 1