pair,contact1,contact2,flow1,flow2 2gbm_A_,1,17,1,1 2gbm_A_,2,16,1,1 2gbm_A_,2,72,1,1 2gbm_A_,3,15,1,1 2gbm_A_,4,73,1,1 2gbm_A_,4,75,1,1 2gbm_A_,5,13,1,1 2gbm_A_,6,75,1,1 2gbm_A_,6,77,1,1 2gbm_A_,7,9,1,1 2gbm_A_,7,10,1,1 2gbm_A_,7,11,1,1 2gbm_A_,14,33,1,1 2gbm_A_,16,29,1,1 2gbm_A_,18,21,1,1 2gbm_A_,19,65,1,1 2gbm_A_,21,29,1,1 2gbm_A_,21,64,1,1 2gbm_A_,22,25,1,1 2gbm_A_,22,26,1,1 2gbm_A_,23,27,1,1 2gbm_A_,23,62,1,1 2gbm_A_,24,27,1,1 2gbm_A_,24,28,1,1 2gbm_A_,25,29,1,1 2gbm_A_,26,30,1,1 2gbm_A_,27,31,1,1 2gbm_A_,27,46,1,1 2gbm_A_,27,49,1,1 2gbm_A_,28,32,1,1 2gbm_A_,29,33,1,1 2gbm_A_,30,33,1,1 2gbm_A_,31,34,1,1 2gbm_A_,31,44,1,1 2gbm_A_,44,49,1,1 2gbm_A_,45,48,1,1 2gbm_A_,45,49,1,1 2gbm_A_,46,49,1,1 2gbm_A_,47,50,1,1 2gbm_A_,48,80,1,1 2gbm_A_,49,50,1,1 2gbm_A_,50,78,1,1 2gbm_A_,51,58,1,1 2gbm_A_,52,76,1,1 2gbm_A_,53,56,1,1 2gbm_A_,57,59,1,1 2gbm_A_,59,67,1,1 2gbm_A_,63,65,1,1 2gbm_A_,63,66,1,1 2gbm_A_,64,67,1,1 2gbm_A_,64,69,1,1 2gbm_A_,65,68,1,1 2gbm_A_,68,70,1,1 2gbm_A_,70,73,1,1