PlaySudoku.us
Expert · Puzzle #230
9
8
1
5
9
7
1
7
4
5
3
8
4
5
3
7
2
7
1
3
2
4
8
6
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.
"Quality is not an act, it is a habit." — Aristotle
"Quality is not an act, it is a habit." — Aristotle