8 0.08203125 0.525390625 0.1640625 0.3984375
8 0.25 0.5263671875 0.228515625 0.412109375
8 0.4453125 0.515625 0.2109375 0.4140625
8 0.7939453125 0.505859375 0.22265625 0.416015625
8 0.947265625 0.4921875 0.10546875 0.41796875