Pro Tip

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

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

"Nothing will work unless you do." — Maya Angelou

Food for Thought