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15 0.2734375 0.763671875 0.181640625 0.263671875
15 0.458984375 0.619140625 0.265625 0.4267578125
15 0.6201171875 0.6748046875 0.1318359375 0.27734375
15 0.7685546875 0.54296875 0.1904296875 0.51953125