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