pair,contact1,contact2,flow1,flow2 7pas_S_,4,5,1,1 7pas_S_,5,9,1,1 7pas_S_,6,10,1,1 7pas_S_,7,11,1,1 7pas_S_,8,12,1,1 7pas_S_,9,12,1,1 7pas_S_,9,13,1,1 7pas_S_,12,16,1,1 7pas_S_,13,17,1,1 7pas_S_,14,18,1,1 7pas_S_,15,19,1,1 7pas_S_,16,20,1,1 7pas_S_,17,21,1,1 7pas_S_,18,22,1,1 7pas_S_,19,23,1,1 7pas_S_,20,24,1,1 7pas_S_,22,26,1,1 7pas_S_,22,48,1,1 7pas_S_,23,27,1,1 7pas_S_,24,28,1,1 7pas_S_,25,29,1,1 7pas_S_,26,30,1,1 7pas_S_,27,31,1,1 7pas_S_,28,32,1,1 7pas_S_,29,33,1,1 7pas_S_,29,41,1,1 7pas_S_,29,44,1,1 7pas_S_,30,34,1,1 7pas_S_,31,35,1,1 7pas_S_,32,35,1,1 7pas_S_,32,36,1,1 7pas_S_,39,43,1,1 7pas_S_,40,44,1,1 7pas_S_,41,44,1,1 7pas_S_,41,45,1,1 7pas_S_,42,46,1,1 7pas_S_,43,47,1,1 7pas_S_,44,48,1,1 7pas_S_,45,49,1,1 7pas_S_,46,50,1,1 7pas_S_,47,51,1,1 7pas_S_,48,52,1,1 7pas_S_,49,53,1,1 7pas_S_,50,54,1,1 7pas_S_,51,55,1,1 7pas_S_,52,55,1,1 7pas_S_,59,63,1,1 7pas_S_,60,64,1,1 7pas_S_,61,65,1,1 7pas_S_,62,66,1,1 7pas_S_,64,68,1,1 7pas_S_,65,68,1,1 7pas_S_,65,69,1,1 7pas_S_,66,70,1,1 7pas_S_,67,71,1,1 7pas_S_,68,72,1,1 7pas_S_,69,73,1,1 7pas_S_,70,74,1,1 7pas_S_,72,75,1,1 7pas_S_,74,77,1,1