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