pair,contact1,contact2,flow1,flow2 8ife_2U_,6,10,1,1 8ife_2U_,13,16,1,1 8ife_2U_,15,18,1,1 8ife_2U_,20,23,1,1 8ife_2U_,27,30,1,1 8ife_2U_,29,39,1,1 8ife_2U_,31,34,1,1 8ife_2U_,35,38,1,1 8ife_2U_,35,40,1,1 8ife_2U_,37,41,1,1 8ife_2U_,40,44,1,1 8ife_2U_,41,45,1,1 8ife_2U_,42,46,1,1 8ife_2U_,43,46,1,1 8ife_2U_,43,47,1,1 8ife_2U_,44,48,1,1 8ife_2U_,46,47,1,1 8ife_2U_,70,108,1,1 8ife_2U_,70,109,1,1 8ife_2U_,72,109,1,1 8ife_2U_,72,111,1,1 8ife_2U_,75,113,1,1 8ife_2U_,76,79,1,1 8ife_2U_,77,80,1,1 8ife_2U_,78,81,1,1 8ife_2U_,82,85,1,1 8ife_2U_,83,86,1,1 8ife_2U_,83,87,1,1 8ife_2U_,84,88,1,1 8ife_2U_,85,89,1,1 8ife_2U_,86,90,1,1 8ife_2U_,86,119,1,1 8ife_2U_,87,91,1,1 8ife_2U_,92,94,1,1 8ife_2U_,94,96,1,1 8ife_2U_,98,122,1,1 8ife_2U_,100,122,1,1 8ife_2U_,100,124,1,1 8ife_2U_,101,104,1,1 8ife_2U_,102,106,1,1 8ife_2U_,102,107,1,1 8ife_2U_,102,124,1,1 8ife_2U_,103,106,1,1 8ife_2U_,108,127,1,1 8ife_2U_,110,127,1,1 8ife_2U_,110,129,1,1 8ife_2U_,112,135,1,1 8ife_2U_,114,135,1,1 8ife_2U_,121,142,1,1 8ife_2U_,123,142,1,1 8ife_2U_,123,144,1,1 8ife_2U_,125,144,1,1 8ife_2U_,125,146,1,1 8ife_2U_,129,133,1,1 8ife_2U_,130,134,1,1 8ife_2U_,131,135,1,1 8ife_2U_,132,136,1,1 8ife_2U_,133,137,1,1 8ife_2U_,134,138,1,1 8ife_2U_,135,138,1,1 8ife_2U_,135,139,1,1 8ife_2U_,136,140,1,1 8ife_2U_,136,141,1,1