PlaySudoku.us
Hard · Puzzle #187
7
3
9
9
3
6
7
7
6
5
8
7
4
1
5
1
5
4
3
9
9
5
7
7
4
9
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.
"The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of experience." — Immanuel Kant
"The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of experience." — Immanuel Kant