PlaySudoku.us
Medium · Puzzle #192
5
9
9
6
3
8
2
6
1
9
7
1
4
8
2
7
8
5
3
5
3
7
8
4
1
8
2
4
1
2
3
6
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
Dell Magazines published Sudoku as 'Number Place' for decades with minimal fanfare before Nikoli transformed it into a cultural phenomenon.
Dell Magazines published Sudoku as 'Number Place' for decades with minimal fanfare before Nikoli transformed it into a cultural phenomenon.