pair,contact1,contact2,flow1,flow2 6tre_1_,2,6,1,1 6tre_1_,3,7,1,1 6tre_1_,4,8,1,1 6tre_1_,5,9,1,1 6tre_1_,6,10,1,1 6tre_1_,7,11,1,1 6tre_1_,8,12,1,1 6tre_1_,9,13,1,1 6tre_1_,10,13,1,1 6tre_1_,10,14,1,1 6tre_1_,11,15,1,1 6tre_1_,12,16,1,1 6tre_1_,13,17,1,1 6tre_1_,14,18,1,1 6tre_1_,15,19,1,1 6tre_1_,16,20,1,1 6tre_1_,17,21,1,1 6tre_1_,18,22,1,1 6tre_1_,19,23,1,1 6tre_1_,20,24,1,1 6tre_1_,23,26,1,1 6tre_1_,23,27,1,1 6tre_1_,24,28,1,1 6tre_1_,27,31,1,1 6tre_1_,31,112,1,1 6tre_1_,33,110,1,1 6tre_1_,35,108,1,1 6tre_1_,37,106,1,1 6tre_1_,39,103,1,1 6tre_1_,39,104,1,1 6tre_1_,41,43,1,1 6tre_1_,41,100,1,1 6tre_1_,41,101,1,1 6tre_1_,45,97,1,1 6tre_1_,47,95,1,1 6tre_1_,48,94,1,1 6tre_1_,50,52,1,1 6tre_1_,51,91,1,1 6tre_1_,53,89,1,1 6tre_1_,57,59,1,1 6tre_1_,57,60,1,1 6tre_1_,62,87,1,1 6tre_1_,64,85,1,1 6tre_1_,65,85,1,1 6tre_1_,66,82,1,1 6tre_1_,67,83,1,1 6tre_1_,76,78,1,1 6tre_1_,79,81,1,1 6tre_1_,83,84,1,1 6tre_1_,105,141,1,1 6tre_1_,105,142,1,1 6tre_1_,107,142,1,1 6tre_1_,107,144,1,1 6tre_1_,109,144,1,1 6tre_1_,109,146,1,1 6tre_1_,111,146,1,1 6tre_1_,111,148,1,1 6tre_1_,114,115,1,1 6tre_1_,118,122,1,1 6tre_1_,119,123,1,1 6tre_1_,120,124,1,1 6tre_1_,121,125,1,1 6tre_1_,122,126,1,1 6tre_1_,123,127,1,1 6tre_1_,124,128,1,1 6tre_1_,125,129,1,1 6tre_1_,126,130,1,1 6tre_1_,127,131,1,1 6tre_1_,128,132,1,1 6tre_1_,129,133,1,1 6tre_1_,130,135,1,1 6tre_1_,136,139,1,1 6tre_1_,136,141,1,1 6tre_1_,137,140,1,1 6tre_1_,139,141,1,1 6tre_1_,147,148,1,1