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