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