7 0.4736328125 0.462890625 0.3720703125 0.79296875
8 0.4501953125 0.498046875 0.900390625 0.99609375
8 0.4873046875 0.1064453125 0.4501953125 0.212890625
10 0.85546875 0.3369140625 0.28515625 0.6728515625