PlaySudoku.us
Hard · Puzzle #608
8
9
3
1
4
4
1
5
4
9
8
7
6
2
6
1
7
1
7
2
4
5
9
6
2
5
6
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.
"Science is a way of thinking much more than it is a body of knowledge." — Carl Sagan
"Science is a way of thinking much more than it is a body of knowledge." — Carl Sagan