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.
3
7
5
4
7
9
8
4
2
1
5
3
4
7
2
5
8
6
9
4
4
9
8
2
3
6
1
5
8
7
1
6
9
Select a cell, then tap a number or use your keyboard. Toggle Notes to pencil in candidates.