PlaySudoku.us
Hard · Puzzle #422
7
2
1
2
5
6
6
3
5
2
8
7
9
3
9
4
2
9
6
2
1
8
6
9
4
3
At peak Sudoku popularity in 2006, over 600 different Sudoku books were published in a single year.
At peak Sudoku popularity in 2006, over 600 different Sudoku books were published in a single year.
"It's not whether you get knocked down, it's whether you get up." — Vince Lombardi
"It's not whether you get knocked down, it's whether you get up." — Vince Lombardi