8 0.80859375 0.4345703125 0.3828125 0.853515625
8 0.171875 0.5595703125 0.34375 0.474609375
8 0.3369140625 0.5 0.673828125 1
8 0.7919921875 0.431640625 0.216796875 0.654296875