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