7 0.40234375 0.5 0.36328125 0.435546875
8 0.2890625 0.767578125 0.5703125 0.46484375
1 0.3203125 0.6669921875 0.640625 0.37890625
1 0.1474609375 0.6484375 0.287109375 0.287109375