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! 👍
5
9
8
8
7
3
7
1
3
2
8
7
4
3
2
8
3
9
6
2
9
4
7
Scientific Mind

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

Scientific Mind