pair,contact1,contact2,flow1,flow2 7old_La_,5,8,1,1 7old_La_,6,9,1,1 7old_La_,10,13,1,1 7old_La_,13,16,1,1 7old_La_,14,15,1,1 7old_La_,15,18,1,1 7old_La_,20,23,1,1 7old_La_,34,40,1,1 7old_La_,35,38,1,1 7old_La_,35,39,1,1 7old_La_,35,40,1,1 7old_La_,40,44,1,1 7old_La_,42,46,1,1 7old_La_,43,47,1,1 7old_La_,63,66,1,1 7old_La_,64,67,1,1 7old_La_,70,109,1,1 7old_La_,70,110,1,1 7old_La_,72,110,1,1 7old_La_,74,77,1,1 7old_La_,76,79,1,1 7old_La_,77,80,1,1 7old_La_,78,86,1,1 7old_La_,82,86,1,1 7old_La_,83,87,1,1 7old_La_,84,88,1,1 7old_La_,85,89,1,1 7old_La_,86,90,1,1 7old_La_,87,91,1,1 7old_La_,88,91,1,1 7old_La_,88,92,1,1 7old_La_,88,93,1,1 7old_La_,89,92,1,1 7old_La_,91,93,1,1 7old_La_,92,95,1,1 7old_La_,96,97,1,1 7old_La_,99,123,1,1 7old_La_,101,123,1,1 7old_La_,101,125,1,1 7old_La_,102,105,1,1 7old_La_,103,108,1,1 7old_La_,103,125,1,1 7old_La_,104,107,1,1 7old_La_,109,127,1,1 7old_La_,109,128,1,1 7old_La_,111,128,1,1 7old_La_,115,136,1,1 7old_La_,118,120,1,1 7old_La_,124,143,1,1 7old_La_,124,145,1,1 7old_La_,126,145,1,1 7old_La_,126,147,1,1 7old_La_,130,134,1,1 7old_La_,131,135,1,1 7old_La_,132,135,1,1 7old_La_,132,136,1,1 7old_La_,133,137,1,1 7old_La_,134,138,1,1 7old_La_,135,138,1,1 7old_La_,135,139,1,1 7old_La_,136,140,1,1 7old_La_,137,142,1,1 7old_La_,138,141,1,1