7 0.62890625 0.431640625 0.380859375 0.505859375
7 0.1943359375 0.4560546875 0.33203125 0.314453125
7 0.3740234375 0.43359375 0.25390625 0.330078125
7 0.474609375 0.5224609375 0.212890625 0.21875