7 0.505859375 0.466796875 0.73046875 0.80859375
8 0.69921875 0.5966796875 0.6015625 0.806640625
10 0.392578125 0.603515625 0.78515625 0.79296875
14 0.2587890625 0.5009765625 0.517578125 0.998046875