Pro Tip

Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.

Pro Tip
✓ Completed! 👍
6
9
7
2
7
4
9
5
7
6
9
1
3
4
1
3
2
7
2
7
5
8
5
2
8
3
Pro Tip

Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.

Pro Tip