0 0.771875 0.49140625 0.45625 0.9828125
0 0.521875 0.4453125 0.2546875 0.7296875
0 0.39296875 0.73203125 0.1578125 0.528125
0 0.25703125 0.56953125 0.0984375 0.2171875