I don't think you don't know how to play :( A standard 9×9 Sudoku has 6,670,903,752,021,072,936,960 distinct valid completed boards—about 6.67 sextillion. If you count boards that differ only by symmetry, such as rotations, reflections, or relabeling the digits, as the same board, there are 5,472,730,538 essentially different boards. These counts are for fully filled solutions. Puzzles with blank cells are a different counting problem.
all made by me. have a sudo-full day!
