PlaySudoku.us
Expert · Puzzle #831
6
2
1
2
6
8
8
1
5
2
5
9
7
8
1
9
5
2
8
5
3
7
8
9
6
7
Solve today's daily challenge, then try to beat your time tomorrow. Consistency beats intensity.
Solve today's daily challenge, then try to beat your time tomorrow. Consistency beats intensity.
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.