# Sudoku

Controls:

- Click a cell to select it.
- `1`-`9`: set a value in the selected editable cell.
- `Shift+1`-`9` or `Ctrl+1`-`9`: toggle candidate marks.
- `0`, Backspace, or Delete: clear selected editable cell.
- Arrow keys: move selection.
- `R`, `N`, or Enter: generate a new random puzzle.
- Optional mouse shortcut: click the same empty selected cell again to toggle candidates by 3x3 mini-position.

<qip-play log>
  <source src="/modules/interactive/sudoku.wasm" type="application/wasm" />
</qip-play>