19 0.390625 0.4873046875 0.142578125 0.220703125 17 0.8955078125 0.5791015625 0.208984375 0.220703125 8 0.6904296875 0.61328125 0.251953125 0.294921875 8 0.619140625 0.7626953125 0.2578125 0.470703125