Pro Tip

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

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

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

Pro Tip