pair,contact1,contact2,flow1,flow2 2cbp_A_,1,28,1,1 2cbp_A_,1,29,1,1 2cbp_A_,3,29,1,1 2cbp_A_,3,31,1,1 2cbp_A_,4,7,1,1 2cbp_A_,5,31,1,1 2cbp_A_,6,9,1,1 2cbp_A_,7,10,1,1 2cbp_A_,11,33,1,1 2cbp_A_,11,40,1,1 2cbp_A_,12,15,1,1 2cbp_A_,14,16,1,1 2cbp_A_,14,87,1,1 2cbp_A_,15,18,1,1 2cbp_A_,15,88,1,1 2cbp_A_,17,20,1,1 2cbp_A_,19,22,1,1 2cbp_A_,21,23,1,1 2cbp_A_,24,96,1,1 2cbp_A_,25,28,1,1 2cbp_A_,26,96,1,1 2cbp_A_,27,70,1,1 2cbp_A_,28,70,1,1 2cbp_A_,30,68,1,1 2cbp_A_,32,66,1,1 2cbp_A_,33,65,1,1 2cbp_A_,34,64,1,1 2cbp_A_,34,66,1,1 2cbp_A_,35,37,1,1 2cbp_A_,35,38,1,1 2cbp_A_,35,39,1,1 2cbp_A_,39,79,1,1 2cbp_A_,39,84,1,1 2cbp_A_,40,79,1,1 2cbp_A_,40,80,1,1 2cbp_A_,41,61,1,1 2cbp_A_,42,78,1,1 2cbp_A_,43,59,1,1 2cbp_A_,44,76,1,1 2cbp_A_,45,48,1,1 2cbp_A_,45,49,1,1 2cbp_A_,46,50,1,1 2cbp_A_,47,51,1,1 2cbp_A_,48,52,1,1 2cbp_A_,48,53,1,1 2cbp_A_,49,90,1,1 2cbp_A_,54,80,1,1 2cbp_A_,55,58,1,1 2cbp_A_,59,60,1,1 2cbp_A_,63,65,1,1 2cbp_A_,63,66,1,1 2cbp_A_,73,95,1,1 2cbp_A_,74,76,1,1 2cbp_A_,75,93,1,1 2cbp_A_,77,91,1,1 2cbp_A_,79,84,1,1 2cbp_A_,79,89,1,1 2cbp_A_,81,84,1,1 2cbp_A_,83,87,1,1 2cbp_A_,84,87,1,1 2cbp_A_,84,89,1,1 2cbp_A_,85,88,1,1