Pro Tip

Check columns before rows — columns are often harder to complete and contain more useful constraints.

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

"The man who has no imagination has no wings." — Muhammad Ali

Food for Thought