Pro Tip

Scan rows, columns, and boxes for Hidden Singles: a digit that can only go in one cell within a house.

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

"Continuous effort — not strength or intelligence — is the key to unlocking our potential." — Winston Churchill

Food for Thought