Live puzzle
Sudoku
Fill every row, column, and 3×3 box with digits 1–9 — no repeats. Use notes for candidates or ask for a hint when stuck.
5
7
2
1
4
9
3
4
5
2
9
7
2
7
1
2
5
3
9
3
7
4
1
6
8
7
3
5
9
4
5
9
2
7
9
3
1
Select a cell, then tap a number or use your keyboard. Toggle Notes to pencil in candidates.