PlaySudoku.us
Hard · Puzzle #780
9
4
8
2
5
1
6
1
3
4
9
6
5
4
6
2
9
3
9
3
2
5
7
3
2
4
1
2
1
"Those who cannot remember the past are condemned to repeat it." — George Santayana
"Those who cannot remember the past are condemned to repeat it." — George Santayana
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.