PlaySudoku.us
Medium · Puzzle #444
7
1
4
1
6
2
4
6
8
3
3
4
1
8
6
9
2
2
1
5
1
9
8
8
6
5
3
2
9
4
2
6
1
5
7
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.
"There is no royal road to geometry." — Euclid
"There is no royal road to geometry." — Euclid