Pro Tip

When you find a naked pair, check if those same two cells also form a pair in their shared column.

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

"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman

Scientific Mind