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