Solution #1
5   3   4   6   7   8   9   1   2
6   7   2   1   9   5   3   4   8
1   9   8   3   4   2   5   6   7
8   5   9   7   6   1   4   2   3
4   2   6   8   5   3   7   9   1
7   1   3   9   2   4   8   5   6
9   6   1   5   3   7   2   8   4
2   8   7   4   1   9   6   3   5
3   4   5   2   8   6   1   7   9
All board solutions have been found
