Pro Tip

A hidden pair in a row is often invisible until you track each digit separately through that row.

Pro Tip
✓ Completed! 👍
9
6
1
8
7
5
9
2
8
3
1
8
1
4
3
5
9
6
8
9
2
1
4
7
1
4
3
7
6
2
2
8
1
3
9
7
6
1
3
2
7
5
4
9
2
9
5
3
7
Challenge Yourself

Try a puzzle two difficulty levels above your usual. Struggle is how expertise grows.

Challenge Yourself