pair,contact1,contact2,flow1,flow2 4r2y_A_,1,10,1,1 4r2y_A_,3,7,1,1 4r2y_A_,3,8,1,1 4r2y_A_,3,36,1,1 4r2y_A_,4,7,1,1 4r2y_A_,6,36,1,1 4r2y_A_,9,12,1,1 4r2y_A_,12,36,1,1 4r2y_A_,13,14,1,1 4r2y_A_,13,18,1,1 4r2y_A_,14,17,1,1 4r2y_A_,14,38,1,1 4r2y_A_,16,42,1,1 4r2y_A_,17,22,1,1 4r2y_A_,17,23,1,1 4r2y_A_,17,38,1,1 4r2y_A_,24,38,1,1 4r2y_A_,25,37,1,1 4r2y_A_,27,34,1,1 4r2y_A_,27,35,1,1 4r2y_A_,29,32,1,1 4r2y_A_,29,33,1,1 4r2y_A_,31,32,1,1 4r2y_A_,31,33,1,1 4r2y_A_,36,39,1,1 4r2y_A_,36,40,1,1 4r2y_A_,37,41,1,1 4r2y_A_,38,42,1,1 4r2y_A_,39,43,1,1 4r2y_A_,40,44,1,1 4r2y_A_,41,45,1,1 4r2y_A_,42,46,1,1 4r2y_A_,43,47,1,1 4r2y_A_,44,48,1,1 4r2y_A_,48,49,1,1 4r2y_A_,51,60,1,1 4r2y_A_,52,53,1,1 4r2y_A_,53,58,1,1