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