pair,contact1,contact2,flow1,flow2 5n4w_R_,7,9,1,1 5n4w_R_,19,21,1,1 5n4w_R_,26,29,1,1 5n4w_R_,26,31,1,1 5n4w_R_,32,34,1,1 5n4w_R_,32,35,1,1 5n4w_R_,33,64,1,1 5n4w_R_,37,41,1,1 5n4w_R_,37,66,1,1 5n4w_R_,38,42,1,1 5n4w_R_,39,43,1,1 5n4w_R_,40,66,1,1 5n4w_R_,52,53,1,1 5n4w_R_,55,63,1,1 5n4w_R_,57,60,1,1 5n4w_R_,64,68,1,1 5n4w_R_,65,69,1,1 5n4w_R_,66,70,1,1 5n4w_R_,67,71,1,1 5n4w_R_,69,73,1,1 5n4w_R_,70,73,1,1 5n4w_R_,70,74,1,1 5n4w_R_,71,75,1,1 5n4w_R_,71,77,1,1 5n4w_R_,78,82,1,1 5n4w_R_,78,83,1,1