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