PlaySudoku.us
Expert · Puzzle #989
3
1
2
3
7
9
7
8
8
1
4
9
8
3
7
4
2
5
4
9
3
4
1
6
2
"The difference between an amateur and an expert is that the expert has failed more times than the amateur has tried." — Anonymous
"The difference between an amateur and an expert is that the expert has failed more times than the amateur has tried." — Anonymous
Retired architect Howard Garns, who invented the modern Sudoku, never knew it became a global phenomenon — he died in 1989.
Retired architect Howard Garns, who invented the modern Sudoku, never knew it became a global phenomenon — he died in 1989.