Did You Know?

There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.

Did You Know?
✓ Completed! 👍
7
2
9
5
4
9
8
2
6
7
1
5
1
8
7
3
8
4
7
4
3
5
4
Pro Tip

Start fresh if you've been staring at the same cells too long. Distance creates clarity.

Pro Tip