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