PlaySudoku.us
Medium · Puzzle #889
8
4
6
8
1
9
5
7
4
3
6
9
8
7
6
3
1
8
9
3
8
4
4
9
2
6
3
5
9
8
7
2
Sudoku was popularized worldwide by Wayne Gould, who spent 6 years writing a computer program to generate puzzles.
Sudoku was popularized worldwide by Wayne Gould, who spent 6 years writing a computer program to generate puzzles.
Sudoku was popularized worldwide by Wayne Gould, who spent 6 years writing a computer program to generate puzzles.
Sudoku was popularized worldwide by Wayne Gould, who spent 6 years writing a computer program to generate puzzles.