Consider a game with following rules:
• It is a one player game
• There is a rectangular board m x n
• On each square there are stones with two sides - white and black (these are regular game pawns)
• At the beginning of the game all of the stones are on their black side (the board is all black)
• Every time a stone is chosen, stones around reverse, except for the one that had been chosen
• The objective is to obtain a completely white board
• It is a one player game
• There is a rectangular board m x n
• On each square there are stones with two sides - white and black (these are regular game pawns)
• At the beginning of the game all of the stones are on their black side (the board is all black)
• Every time a stone is chosen, stones around reverse, except for the one that had been chosen
• The objective is to obtain a completely white board