Pro Tip

A solved cell is most useful in whichever house it brings down to one empty cell.

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

Sudoku has no math — you could replace the digits 1–9 with any 9 symbols and the puzzle works identically.

Did You Know?