pair,contact1,contact2,flow1,flow2 7ssn_U_,1,3,1,1 7ssn_U_,1,24,1,1 7ssn_U_,3,22,1,1 7ssn_U_,4,66,1,1 7ssn_U_,4,68,1,1 7ssn_U_,5,20,1,1 7ssn_U_,5,26,1,1 7ssn_U_,5,27,1,1 7ssn_U_,7,18,1,1 7ssn_U_,8,29,1,1 7ssn_U_,9,16,1,1 7ssn_U_,9,29,1,1 7ssn_U_,11,14,1,1 7ssn_U_,17,39,1,1 7ssn_U_,18,35,1,1 7ssn_U_,19,36,1,1 7ssn_U_,21,33,1,1 7ssn_U_,21,34,1,1 7ssn_U_,23,25,1,1 7ssn_U_,28,29,1,1 7ssn_U_,38,51,1,1 7ssn_U_,40,42,1,1 7ssn_U_,40,49,1,1 7ssn_U_,44,46,1,1 7ssn_U_,53,56,1,1 7ssn_U_,53,57,1,1 7ssn_U_,54,58,1,1 7ssn_U_,56,60,1,1 7ssn_U_,57,60,1,1 7ssn_U_,57,61,1,1 7ssn_U_,60,63,1,1 7ssn_U_,60,64,1,1 7ssn_U_,60,65,1,1 7ssn_U_,66,67,1,1 7ssn_U_,68,72,1,1 7ssn_U_,69,73,1,1 7ssn_U_,70,74,1,1 7ssn_U_,71,75,1,1 7ssn_U_,72,76,1,1 7ssn_U_,74,77,1,1 7ssn_U_,74,78,1,1 7ssn_U_,75,78,1,1 7ssn_U_,79,82,1,1