pair,contact1,contact2,flow1,flow2 2u1a_A_,5,7,1,1 2u1a_A_,13,15,1,1 2u1a_A_,14,57,1,1 2u1a_A_,16,55,1,1 2u1a_A_,17,84,1,1 2u1a_A_,18,53,1,1 2u1a_A_,19,82,1,1 2u1a_A_,20,51,1,1 2u1a_A_,20,80,1,1 2u1a_A_,26,29,1,1 2u1a_A_,26,30,1,1 2u1a_A_,27,31,1,1 2u1a_A_,28,32,1,1 2u1a_A_,29,33,1,1 2u1a_A_,30,34,1,1 2u1a_A_,32,36,1,1 2u1a_A_,34,37,1,1 2u1a_A_,37,40,1,1 2u1a_A_,39,58,1,1 2u1a_A_,42,56,1,1 2u1a_A_,44,54,1,1 2u1a_A_,59,62,1,1 2u1a_A_,59,63,1,1 2u1a_A_,60,64,1,1 2u1a_A_,61,65,1,1 2u1a_A_,62,66,1,1 2u1a_A_,63,67,1,1 2u1a_A_,64,68,1,1 2u1a_A_,65,69,1,1 2u1a_A_,66,70,1,1 2u1a_A_,70,72,1,1 2u1a_A_,73,75,1,1 2u1a_A_,73,81,1,1 2u1a_A_,74,77,1,1 2u1a_A_,85,87,1,1