Snorlax and Puzzle

Snorlax came second in the Pokemon League and was rewarded with a game of puzzle of size M x N, which needs to be connected to some power source to play. The game needed to be played with an external square mat of size S x S, which is used to press the puzzle pieces. The game was defective, however, wherein if Snorlax touched some particular pieces of that puzzle, he got a sudden electric discha