15 0.966796875 0.4599609375 0.0615234375 0.48828125
19 0.7451171875 0.4013671875 0.2216796875 0.2744140625
15 0.1962890625 0.1708984375 0.3916015625 0.341796875
17 0.197265625 0.5869140625 0.3935546875 0.490234375