public String toString() {
        String result = "";
        /* for (int y= ySize-1; y>=0; y--) {
            for(int x = 0; x<xSize; x++) {*/
        for (int y= ySize; y>0; y--) {
            for(int x = 0; x<=xSize; x++) {
                result += squareContentSprite(x,y);
            }
            result+="\n";
        }
        return result;
    }