PlaySudoku.us
Hard · Puzzle #17
1
8
5
6
3
9
3
8
1
2
4
9
7
3
9
6
4
3
8
1
9
5
3
8
7
6
"In mathematics you don't understand things. You just get used to them." — John von Neumann
"In mathematics you don't understand things. You just get used to them." — John von Neumann
The first modern Sudoku puzzle was published in 1979 by Howard Garns in Dell Pencil Puzzles & Word Games.
The first modern Sudoku puzzle was published in 1979 by Howard Garns in Dell Pencil Puzzles & Word Games.