8 0.794921875 0.740234375 0.3701171875 0.513671875
8 0.2451171875 0.1845703125 0.2783203125 0.189453125
8 0.478515625 0.1181640625 0.2255859375 0.1474609375
10 0.4990234375 0.5556640625 0.998046875 0.8828125