pair,contact1,contact2,flow1,flow2 3vxx_A_,3,6,1,1 3vxx_A_,7,27,1,1 3vxx_A_,9,25,1,1 3vxx_A_,11,23,1,1 3vxx_A_,12,20,1,1 3vxx_A_,13,18,1,1 3vxx_A_,13,20,1,1 3vxx_A_,13,21,1,1 3vxx_A_,13,23,1,1 3vxx_A_,16,19,1,1 3vxx_A_,18,21,1,1 3vxx_A_,26,34,1,1 3vxx_A_,28,30,1,1 3vxx_A_,28,31,1,1 3vxx_A_,28,32,1,1 3vxx_A_,36,39,1,1 3vxx_A_,36,40,1,1 3vxx_A_,37,41,1,1 3vxx_A_,38,42,1,1 3vxx_A_,39,43,1,1 3vxx_A_,40,44,1,1 3vxx_A_,41,45,1,1 3vxx_A_,42,45,1,1 3vxx_A_,43,47,1,1 3vxx_A_,44,48,1,1 3vxx_A_,53,56,1,1 3vxx_A_,54,57,1,1 3vxx_A_,58,60,1,1