Mini Sudoku
Every row, column and box gets 1 to 6. A fresh grid every time, always with one answer.
3
1
5
2
6
4
2
6
4
3
5
1
6
5
1
4
3
2
4
3
2
6
1
5
5
2
6
1
4
3
1
4
3
5
2
6