pair,contact1,contact2,flow1,flow2 2gbt_A_,1,21,1,1 2gbt_A_,2,151,1,1 2gbt_A_,2,152,1,1 2gbt_A_,3,19,1,1 2gbt_A_,4,149,1,1 2gbt_A_,5,17,1,1 2gbt_A_,7,15,1,1 2gbt_A_,8,145,1,1 2gbt_A_,14,35,1,1 2gbt_A_,16,33,1,1 2gbt_A_,18,31,1,1 2gbt_A_,20,29,1,1 2gbt_A_,21,26,1,1 2gbt_A_,21,104,1,1 2gbt_A_,21,105,1,1 2gbt_A_,23,26,1,1 2gbt_A_,28,100,1,1 2gbt_A_,30,98,1,1 2gbt_A_,32,96,1,1 2gbt_A_,33,95,1,1 2gbt_A_,34,94,1,1 2gbt_A_,37,92,1,1 2gbt_A_,38,42,1,1 2gbt_A_,40,88,1,1 2gbt_A_,42,86,1,1 2gbt_A_,42,119,1,1 2gbt_A_,43,119,1,1 2gbt_A_,43,121,1,1 2gbt_A_,44,84,1,1 2gbt_A_,45,117,1,1 2gbt_A_,45,119,1,1 2gbt_A_,45,123,1,1 2gbt_A_,46,63,1,1 2gbt_A_,46,81,1,1 2gbt_A_,47,60,1,1 2gbt_A_,47,115,1,1 2gbt_A_,47,119,1,1 2gbt_A_,48,61,1,1 2gbt_A_,48,114,1,1 2gbt_A_,49,59,1,1 2gbt_A_,49,115,1,1 2gbt_A_,51,53,1,1 2gbt_A_,52,55,1,1 2gbt_A_,53,58,1,1 2gbt_A_,54,58,1,1 2gbt_A_,55,58,1,1 2gbt_A_,56,59,1,1 2gbt_A_,56,142,1,1 2gbt_A_,57,60,1,1 2gbt_A_,60,142,1,1 2gbt_A_,62,79,1,1 2gbt_A_,62,82,1,1 2gbt_A_,63,81,1,1 2gbt_A_,64,67,1,1 2gbt_A_,64,68,1,1 2gbt_A_,68,76,1,1 2gbt_A_,69,77,1,1 2gbt_A_,70,82,1,1 2gbt_A_,70,123,1,1 2gbt_A_,70,134,1,1 2gbt_A_,71,82,1,1 2gbt_A_,72,75,1,1 2gbt_A_,73,78,1,1 2gbt_A_,78,79,1,1 2gbt_A_,78,80,1,1 2gbt_A_,78,100,1,1 2gbt_A_,79,82,1,1 2gbt_A_,85,123,1,1 2gbt_A_,89,91,1,1 2gbt_A_,89,92,1,1 2gbt_A_,89,93,1,1 2gbt_A_,90,91,1,1 2gbt_A_,100,102,1,1 2gbt_A_,100,103,1,1 2gbt_A_,104,106,1,1 2gbt_A_,104,111,1,1 2gbt_A_,107,110,1,1 2gbt_A_,110,114,1,1 2gbt_A_,111,114,1,1 2gbt_A_,113,148,1,1 2gbt_A_,114,148,1,1 2gbt_A_,116,146,1,1 2gbt_A_,118,143,1,1 2gbt_A_,118,144,1,1 2gbt_A_,119,140,1,1 2gbt_A_,120,141,1,1 2gbt_A_,121,139,1,1 2gbt_A_,123,125,1,1 2gbt_A_,124,126,1,1 2gbt_A_,124,127,1,1 2gbt_A_,124,133,1,1 2gbt_A_,124,137,1,1 2gbt_A_,124,138,1,1 2gbt_A_,128,133,1,1 2gbt_A_,130,133,1,1 2gbt_A_,130,138,1,1 2gbt_A_,131,134,1,1 2gbt_A_,132,135,1,1 2gbt_A_,132,136,1,1 2gbt_A_,133,137,1,1 2gbt_A_,136,138,1,1