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