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