Lights out - solution

Features Lights out - solution

The task of the game is to turn all the illuminated buttons off.
After pressing the button, light is switched on/off for the button, and its vertical and horizontal neighbors.
There are pre-set configurations in the game, or you can set and play your own configuration.
The game is very demanding on one’s imagination and therefore the pre-set configurations are simpler.
The optimal solution can be displayed for each solvable configuration.