Control panel
Board size
Actions
3x3Cross toggle
Solution
5 presses
Press the highlighted lights on the board or follow the list below. Order does not matter.
1
Row 1, Column 1
2
Row 1, Column 3
3
Row 2, Column 2
2 more steps are hidden. Expand the list to see the full sequence.
How it works
By default, each press toggles the center light plus its up, down, left, and right neighbors. In edit mode, only the clicked light changes so you can build custom setups.