Challenge Yourself

After finishing any puzzle, go back and find every naked pair and hidden single you used. Catalog your techniques.

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

"Whatever you are, be a good one." — Abraham Lincoln

Food for Thought