53.7416111725, 0.0, 27.5552964592, 85.3286070586, 59.5613449796, 8.89540736892
96.1429198049, 62.5329836475, 0.0, 6.32027280686, 37.8091052942, 69.8963084944
57.8352492462, 49.3506467609, 38.6602692461, 0.0, 7.15105257546, 45.0177800391
How to speed up the code - searching through a dataframe takes hours