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