pair,contact1,contact2,flow1,flow2 2n19_A_,7,19,1,1 2n19_A_,9,17,1,1 2n19_A_,11,14,1,1 2n19_A_,11,15,1,1 2n19_A_,14,30,1,1 2n19_A_,16,28,1,1 2n19_A_,18,26,1,1 2n19_A_,20,23,1,1 2n19_A_,20,24,1,1 2n19_A_,23,39,1,1 2n19_A_,25,37,1,1 2n19_A_,27,35,1,1 2n19_A_,29,32,1,1 2n19_A_,29,33,1,1 2n19_A_,31,33,1,1 2n19_A_,31,69,1,1 2n19_A_,34,47,1,1 2n19_A_,36,45,1,1 2n19_A_,38,41,1,1 2n19_A_,44,56,1,1 2n19_A_,46,53,1,1 2n19_A_,46,54,1,1 2n19_A_,48,51,1,1 2n19_A_,48,52,1,1 2n19_A_,52,54,1,1 2n19_A_,57,60,1,1 2n19_A_,60,61,1,1 2n19_A_,63,67,1,1 2n19_A_,64,68,1,1 2n19_A_,65,69,1,1 2n19_A_,66,70,1,1 2n19_A_,67,71,1,1 2n19_A_,68,71,1,1 2n19_A_,69,72,1,1 2n19_A_,70,73,1,1 2n19_A_,71,74,1,1 2n19_A_,72,75,1,1 2n19_A_,73,76,1,1 2n19_A_,73,77,1,1 2n19_A_,74,78,1,1 2n19_A_,75,79,1,1 2n19_A_,76,80,1,1 2n19_A_,77,80,1,1 2n19_A_,77,81,1,1 2n19_A_,78,81,1,1 2n19_A_,82,84,1,1 2n19_A_,84,87,1,1