2
3
8
6
9
4
5
2
5
1
6
9
6
9
8
2
3
8
5
1
2
6
7
1
6
4
5
3
7
6
9
4
5
8
Try solving a Hard puzzle using only pencil marks — no digit entries until every candidate is mapped out.
Try solving a Hard puzzle using only pencil marks — no digit entries until every candidate is mapped out.
Try solving a Hard puzzle using only pencil marks — no digit entries until every candidate is mapped out.
Try solving a Hard puzzle using only pencil marks — no digit entries until every candidate is mapped out.