PlaySudoku.us
Hard · Puzzle #469
1
5
7
4
9
2
8
6
3
7
3
7
5
4
7
4
8
3
9
5
1
8
9
7
5
1
8
3
Use pencil marks to track candidates. Eliminating one candidate often triggers a chain reaction.
Use pencil marks to track candidates. Eliminating one candidate often triggers a chain reaction.
"Anyone who stops learning is old, whether at twenty or eighty." — Henry Ford
"Anyone who stops learning is old, whether at twenty or eighty." — Henry Ford