7 0.5078125 0.466796875 0.6796875 0.763671875
8 0.7080078125 0.611328125 0.580078125 0.7685546875
10 0.3759765625 0.611328125 0.751953125 0.7734375
14 0.2412109375 0.4990234375 0.482421875 0.998046875