pair,contact1,contact2,flow1,flow2 2efn_A_,2,5,1,1 2efn_A_,2,6,1,1 2efn_A_,2,37,1,1 2efn_A_,3,7,1,1 2efn_A_,4,8,1,1 2efn_A_,5,9,1,1 2efn_A_,5,37,1,1 2efn_A_,6,10,1,1 2efn_A_,7,11,1,1 2efn_A_,8,11,1,1 2efn_A_,8,12,1,1 2efn_A_,9,13,1,1 2efn_A_,10,150,1,1 2efn_A_,11,14,1,1 2efn_A_,11,15,1,1 2efn_A_,13,146,1,1 2efn_A_,15,17,1,1 2efn_A_,19,22,1,1 2efn_A_,19,23,1,1 2efn_A_,20,24,1,1 2efn_A_,21,25,1,1 2efn_A_,21,31,1,1 2efn_A_,22,26,1,1 2efn_A_,23,27,1,1 2efn_A_,24,29,1,1 2efn_A_,30,34,1,1 2efn_A_,31,35,1,1 2efn_A_,32,36,1,1 2efn_A_,33,37,1,1 2efn_A_,34,38,1,1 2efn_A_,35,39,1,1 2efn_A_,36,40,1,1 2efn_A_,37,41,1,1 2efn_A_,38,42,1,1 2efn_A_,39,43,1,1 2efn_A_,40,44,1,1 2efn_A_,41,46,1,1 2efn_A_,41,47,1,1 2efn_A_,42,45,1,1 2efn_A_,42,50,1,1 2efn_A_,55,58,1,1 2efn_A_,56,59,1,1 2efn_A_,56,61,1,1 2efn_A_,57,60,1,1 2efn_A_,59,110,1,1 2efn_A_,63,109,1,1 2efn_A_,64,137,1,1 2efn_A_,65,107,1,1 2efn_A_,66,135,1,1 2efn_A_,67,105,1,1 2efn_A_,67,134,1,1 2efn_A_,68,133,1,1 2efn_A_,69,103,1,1 2efn_A_,70,102,1,1 2efn_A_,70,130,1,1 2efn_A_,70,131,1,1 2efn_A_,72,73,1,1 2efn_A_,72,128,1,1 2efn_A_,74,77,1,1 2efn_A_,76,80,1,1 2efn_A_,77,81,1,1 2efn_A_,78,82,1,1 2efn_A_,79,83,1,1 2efn_A_,80,84,1,1 2efn_A_,81,85,1,1 2efn_A_,82,86,1,1 2efn_A_,84,128,1,1 2efn_A_,85,88,1,1 2efn_A_,88,91,1,1 2efn_A_,89,109,1,1 2efn_A_,90,108,1,1 2efn_A_,92,106,1,1 2efn_A_,93,106,1,1 2efn_A_,95,104,1,1 2efn_A_,97,102,1,1 2efn_A_,108,143,1,1 2efn_A_,110,114,1,1 2efn_A_,111,113,1,1 2efn_A_,111,114,1,1 2efn_A_,111,115,1,1 2efn_A_,112,116,1,1 2efn_A_,113,117,1,1 2efn_A_,114,118,1,1 2efn_A_,115,119,1,1 2efn_A_,115,120,1,1 2efn_A_,116,121,1,1 2efn_A_,119,123,1,1 2efn_A_,120,124,1,1 2efn_A_,121,125,1,1 2efn_A_,122,125,1,1 2efn_A_,123,126,1,1 2efn_A_,126,129,1,1 2efn_A_,130,131,1,1 2efn_A_,144,147,1,1