15 0.1904296875 0.4736328125 0.380859375 0.744140625
15 0.2783203125 0.767578125 0.185546875 0.267578125
15 0.4609375 0.6201171875 0.2734375 0.431640625
15 0.623046875 0.6728515625 0.13671875 0.279296875
15 0.76953125 0.5380859375 0.19921875 0.5234375