Puzzles/Logic puzzles/Sudoku/9 by 9/Example 1 solution

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