pair,contact1,contact2,flow1,flow2 2der_C_,4,68,1,1 2der_C_,7,66,1,1 2der_C_,8,14,1,1 2der_C_,8,21,1,1 2der_C_,8,46,1,1 2der_C_,9,23,1,1 2der_C_,10,25,1,1 2der_C_,10,45,1,1 2der_C_,11,24,1,1 2der_C_,12,23,1,1 2der_C_,13,22,1,1 2der_C_,14,21,1,1 2der_C_,15,20,1,1 2der_C_,15,47,1,1 2der_C_,17,55,1,1 2der_C_,18,56,1,1 2der_C_,20,47,1,1 2der_C_,22,46,1,1 2der_C_,26,44,1,1 2der_C_,27,43,1,1 2der_C_,28,42,1,1 2der_C_,29,41,1,1 2der_C_,30,40,1,1 2der_C_,31,39,1,1 2der_C_,32,38,1,1 2der_C_,49,65,1,1 2der_C_,50,64,1,1 2der_C_,51,63,1,1 2der_C_,52,62,1,1 2der_C_,53,61,1,1 2der_C_,54,58,1,1