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