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