17 0.8115234375 0.8564453125 0.3720703125 0.2822265625
8 0.4208984375 0.76953125 0.25390625 0.3916015625
15 0.140625 0.48046875 0.28125 0.66796875
15 0.1435546875 0.86328125 0.287109375 0.265625