pair,contact1,contact2,flow1,flow2 7nat_R_,1,2,1,1 7nat_R_,1,36,1,1 7nat_R_,2,5,1,1 7nat_R_,2,6,1,1 7nat_R_,2,37,1,1 7nat_R_,3,7,1,1 7nat_R_,4,8,1,1 7nat_R_,9,42,1,1 7nat_R_,10,45,1,1 7nat_R_,13,15,1,1 7nat_R_,13,16,1,1 7nat_R_,17,21,1,1 7nat_R_,18,22,1,1 7nat_R_,19,23,1,1 7nat_R_,20,24,1,1 7nat_R_,25,27,1,1 7nat_R_,25,28,1,1 7nat_R_,25,29,1,1 7nat_R_,28,54,1,1 7nat_R_,32,36,1,1 7nat_R_,33,36,1,1 7nat_R_,33,37,1,1 7nat_R_,39,43,1,1 7nat_R_,40,44,1,1 7nat_R_,41,45,1,1 7nat_R_,42,46,1,1 7nat_R_,43,47,1,1 7nat_R_,44,48,1,1 7nat_R_,45,49,1,1 7nat_R_,46,50,1,1 7nat_R_,47,51,1,1 7nat_R_,48,52,1,1 7nat_R_,49,53,1,1 7nat_R_,50,54,1,1 7nat_R_,51,55,1,1 7nat_R_,52,56,1,1 7nat_R_,53,58,1,1 7nat_R_,54,57,1,1 7nat_R_,61,65,1,1 7nat_R_,62,65,1,1