{
if(spaceY >0){
pics[spaceY][spaceX] = pics[spaceY-1][spaceX]; pics[spaceY-1][spaceX] = 0; spaceY --; step ++;
} } public void left(){ int rightLimit = 2; if(spaceY == 0){ rightLimit = 3; } if(spaceX < rightLimit)
