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