Good Monday morning also to you, ambrus!

Lights out is really nice. Especially the simplicity of the solution: if it is solvable (not all board-configurations are), it takes at maximum n*m turns on an n-by-m board. However when I try it manually, I need many, many more (if I ever finish it) ...

Rata (who's only adventure into VB-for-Excel-programming was a 5x5 - version of this game)