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