pair,contact1,contact2,flow1,flow2 6urg_C_,1,3,1,1 6urg_C_,12,20,1,1 6urg_C_,13,16,1,1 6urg_C_,13,17,1,1 6urg_C_,14,18,1,1 6urg_C_,17,20,1,1 6urg_C_,38,58,1,1 6urg_C_,39,58,1,1 6urg_C_,41,58,1,1 6urg_C_,42,46,1,1 6urg_C_,43,47,1,1 6urg_C_,50,52,1,1 6urg_C_,51,54,1,1