PlaySudoku.us
Evil · Puzzle #268
4
2
3
4
2
7
3
5
8
4
6
7
9
2
9
1
9
5
8
2
6
1
7
8
"What we know is a drop; what we don't know is an ocean." — Isaac Newton
"What we know is a drop; what we don't know is an ocean." — Isaac Newton
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.