PlaySudoku.us
Hard · Puzzle #30
6
3
8
4
9
6
1
6
7
5
2
1
4
1
8
6
3
2
3
9
5
5
2
5
9
8
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.