pair,contact1,contact2,flow1,flow2 7n31_SS_,2,6,1,1 7n31_SS_,2,7,1,1 7n31_SS_,3,6,1,1 7n31_SS_,4,7,1,1 7n31_SS_,9,38,1,1 7n31_SS_,11,15,1,1 7n31_SS_,11,34,1,1 7n31_SS_,11,36,1,1 7n31_SS_,11,37,1,1 7n31_SS_,12,16,1,1 7n31_SS_,13,17,1,1 7n31_SS_,14,18,1,1 7n31_SS_,15,19,1,1 7n31_SS_,16,19,1,1 7n31_SS_,16,20,1,1 7n31_SS_,17,21,1,1 7n31_SS_,17,31,1,1 7n31_SS_,18,22,1,1 7n31_SS_,19,23,1,1 7n31_SS_,20,24,1,1 7n31_SS_,21,24,1,1 7n31_SS_,21,26,1,1 7n31_SS_,24,26,1,1 7n31_SS_,26,28,1,1 7n31_SS_,30,47,1,1 7n31_SS_,30,49,1,1 7n31_SS_,32,34,1,1 7n31_SS_,32,49,1,1 7n31_SS_,32,51,1,1 7n31_SS_,34,37,1,1 7n31_SS_,35,51,1,1 7n31_SS_,35,71,1,1 7n31_SS_,35,74,1,1 7n31_SS_,37,70,1,1 7n31_SS_,39,67,1,1 7n31_SS_,39,68,1,1 7n31_SS_,40,43,1,1 7n31_SS_,41,44,1,1 7n31_SS_,43,46,1,1 7n31_SS_,46,61,1,1 7n31_SS_,48,59,1,1 7n31_SS_,50,57,1,1 7n31_SS_,52,54,1,1 7n31_SS_,52,55,1,1 7n31_SS_,52,75,1,1 7n31_SS_,60,62,1,1 7n31_SS_,62,65,1,1 7n31_SS_,63,66,1,1 7n31_SS_,65,68,1,1 7n31_SS_,69,72,1,1 7n31_SS_,70,73,1,1 7n31_SS_,71,74,1,1