PlaySudoku.us
Hard · Puzzle #143
2
5
4
6
7
3
1
8
5
9
1
3
3
5
4
3
6
2
9
1
6
8
5
6
4
8
Try to solve today's puzzle without erasing any pencil marks — plan every elimination before committing.
Try to solve today's puzzle without erasing any pencil marks — plan every elimination before committing.
"Mathematics is the art of giving the same name to different things." — Henri Poincaré
"Mathematics is the art of giving the same name to different things." — Henri Poincaré