4 0.498046875 0.5 0.3779296875 0.767578125
4 0.8681640625 0.435546875 0.2578125 0.3720703125
4 0.9130859375 0.109375 0.08984375 0.2177734375
4 0.97265625 0.107421875 0.0478515625 0.2138671875