private void mutate(){
		for(int i = 0; i < position.length; i++){
			for(int k = 0; k < position[i].length; k++){
				if(Math.random() < mutationProbability){
					if(position[i][k] < 1){
						position[i][k] = 1;
					}else{
						position[i][k] = 0;
					}
				}
			}
		}
	}