8 0.7734375 0.6025390625 0.138671875 0.119140625
15 0.5712890625 0.384765625 0.19140625 0.60546875
15 0.46875 0.6201171875 0.15625 0.181640625
17 0.474609375 0.82421875 0.93359375 0.3515625