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