8 0.580078125 0.517578125 0.2197265625 0.5068359375
8 0.193359375 0.591796875 0.330078125 0.619140625
15 0.900390625 0.5546875 0.1962890625 0.5546875
15 0.9501953125 0.7216796875 0.095703125 0.365234375
15 0.7529296875 0.623046875 0.24609375 0.3173828125