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