pair,contact1,contact2,flow1,flow2 3zc7_B_,4,7,1,1 3zc7_B_,4,8,1,1 3zc7_B_,5,9,1,1 3zc7_B_,6,10,1,1 3zc7_B_,7,11,1,1 3zc7_B_,8,12,1,1 3zc7_B_,9,13,1,1 3zc7_B_,10,14,1,1 3zc7_B_,11,15,1,1 3zc7_B_,11,40,1,1 3zc7_B_,12,16,1,1 3zc7_B_,12,38,1,1 3zc7_B_,13,17,1,1 3zc7_B_,14,18,1,1 3zc7_B_,15,19,1,1 3zc7_B_,16,20,1,1 3zc7_B_,17,21,1,1 3zc7_B_,18,22,1,1 3zc7_B_,19,22,1,1 3zc7_B_,19,23,1,1 3zc7_B_,20,24,1,1 3zc7_B_,22,25,1,1 3zc7_B_,22,27,1,1 3zc7_B_,23,26,1,1 3zc7_B_,23,28,1,1 3zc7_B_,30,33,1,1 3zc7_B_,30,34,1,1 3zc7_B_,30,57,1,1 3zc7_B_,31,35,1,1 3zc7_B_,32,36,1,1 3zc7_B_,33,37,1,1 3zc7_B_,34,38,1,1 3zc7_B_,35,39,1,1 3zc7_B_,36,40,1,1 3zc7_B_,36,53,1,1 3zc7_B_,37,41,1,1 3zc7_B_,38,42,1,1 3zc7_B_,39,43,1,1 3zc7_B_,39,44,1,1 3zc7_B_,40,43,1,1 3zc7_B_,46,49,1,1 3zc7_B_,46,50,1,1 3zc7_B_,47,51,1,1 3zc7_B_,48,52,1,1 3zc7_B_,49,53,1,1 3zc7_B_,50,54,1,1 3zc7_B_,51,55,1,1 3zc7_B_,52,56,1,1 3zc7_B_,53,57,1,1 3zc7_B_,54,58,1,1 3zc7_B_,55,59,1,1 3zc7_B_,56,60,1,1 3zc7_B_,57,62,1,1 3zc7_B_,58,61,1,1