PlaySudoku.us
Easy · Puzzle #859
3
2
9
1
7
6
4
1
6
4
2
5
3
7
8
7
9
3
4
2
1
6
2
7
1
5
9
8
1
9
5
2
6
4
5
8
8
3
7
9
1
9
2
4
7
5
8
9
2
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.