PlaySudoku.us
Expert · Puzzle #199
2
6
5
8
7
2
5
4
5
3
7
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8
5
9
6
4
3
1
7
9
4
3
1
"Real knowledge is to know the extent of one's ignorance." — Confucius
"Real knowledge is to know the extent of one's ignorance." — Confucius
If you solved one unique Sudoku puzzle per second, it would take you over 200 trillion years to solve every possible grid.
If you solved one unique Sudoku puzzle per second, it would take you over 200 trillion years to solve every possible grid.