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