Pro Tip

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

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

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

Pro Tip