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