PlaySudoku.us
Medium · Puzzle #592
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"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
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.