pair,contact1,contact2,flow1,flow2 3ree_A_,1,4,1,1 3ree_A_,8,9,1,1 3ree_A_,10,12,1,1 3ree_A_,14,45,1,1 3ree_A_,15,17,1,1 3ree_A_,15,18,1,1 3ree_A_,15,20,1,1 3ree_A_,19,22,1,1 3ree_A_,22,24,1,1 3ree_A_,30,33,1,1 3ree_A_,30,34,1,1 3ree_A_,31,34,1,1 3ree_A_,36,74,1,1 3ree_A_,38,72,1,1 3ree_A_,39,52,1,1 3ree_A_,40,70,1,1 3ree_A_,41,50,1,1 3ree_A_,42,68,1,1 3ree_A_,44,45,1,1 3ree_A_,46,48,1,1 3ree_A_,46,49,1,1 3ree_A_,46,51,1,1 3ree_A_,47,53,1,1 3ree_A_,48,51,1,1 3ree_A_,52,56,1,1 3ree_A_,53,55,1,1 3ree_A_,54,57,1,1 3ree_A_,55,59,1,1 3ree_A_,56,60,1,1 3ree_A_,57,61,1,1 3ree_A_,58,62,1,1 3ree_A_,59,63,1,1 3ree_A_,59,65,1,1 3ree_A_,60,67,1,1 3ree_A_,63,65,1,1 3ree_A_,65,66,1,1