pair,contact1,contact2,flow1,flow2 2bh1_X_,3,66,1,1 2bh1_X_,4,67,1,1 2bh1_X_,5,9,1,1 2bh1_X_,6,10,1,1 2bh1_X_,7,11,1,1 2bh1_X_,8,12,1,1 2bh1_X_,9,14,1,1 2bh1_X_,10,13,1,1 2bh1_X_,13,30,1,1 2bh1_X_,15,28,1,1 2bh1_X_,17,18,1,1 2bh1_X_,17,26,1,1 2bh1_X_,19,22,1,1 2bh1_X_,19,23,1,1 2bh1_X_,19,24,1,1 2bh1_X_,24,50,1,1 2bh1_X_,25,50,1,1 2bh1_X_,27,50,1,1 2bh1_X_,27,52,1,1 2bh1_X_,29,52,1,1 2bh1_X_,29,54,1,1 2bh1_X_,34,37,1,1 2bh1_X_,34,38,1,1 2bh1_X_,35,39,1,1 2bh1_X_,36,40,1,1 2bh1_X_,37,41,1,1 2bh1_X_,38,42,1,1 2bh1_X_,39,43,1,1 2bh1_X_,40,43,1,1 2bh1_X_,40,44,1,1 2bh1_X_,41,45,1,1 2bh1_X_,42,46,1,1 2bh1_X_,47,48,1,1 2bh1_X_,55,58,1,1 2bh1_X_,55,59,1,1 2bh1_X_,56,59,1,1 2bh1_X_,56,60,1,1 2bh1_X_,57,61,1,1 2bh1_X_,59,63,1,1 2bh1_X_,60,64,1,1 2bh1_X_,61,65,1,1 2bh1_X_,62,66,1,1 2bh1_X_,63,67,1,1