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