Pro Tip

X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.

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

X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.

Pro Tip