Pro Tip

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

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

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

Pro Tip