pair,contact1,contact2,flow1,flow2 6ppp_D_,2,5,1,1 6ppp_D_,2,6,1,1 6ppp_D_,3,7,1,1 6ppp_D_,4,8,1,1 6ppp_D_,5,9,1,1 6ppp_D_,6,10,1,1 6ppp_D_,7,10,1,1 6ppp_D_,8,32,1,1 6ppp_D_,10,13,1,1 6ppp_D_,11,32,1,1 6ppp_D_,12,29,1,1 6ppp_D_,13,29,1,1 6ppp_D_,13,72,1,1 6ppp_D_,15,27,1,1 6ppp_D_,16,70,1,1 6ppp_D_,17,25,1,1 6ppp_D_,18,67,1,1 6ppp_D_,18,68,1,1 6ppp_D_,19,22,1,1 6ppp_D_,19,23,1,1 6ppp_D_,20,65,1,1 6ppp_D_,23,45,1,1 6ppp_D_,24,46,1,1 6ppp_D_,26,44,1,1 6ppp_D_,28,41,1,1 6ppp_D_,30,39,1,1 6ppp_D_,31,39,1,1 6ppp_D_,33,35,1,1 6ppp_D_,33,36,1,1 6ppp_D_,33,37,1,1 6ppp_D_,37,63,1,1 6ppp_D_,38,61,1,1 6ppp_D_,40,59,1,1 6ppp_D_,42,57,1,1 6ppp_D_,43,56,1,1 6ppp_D_,45,54,1,1 6ppp_D_,47,50,1,1 6ppp_D_,47,52,1,1 6ppp_D_,62,65,1,1 6ppp_D_,63,66,1,1 6ppp_D_,72,75,1,1 6ppp_D_,73,77,1,1 6ppp_D_,74,78,1,1 6ppp_D_,75,79,1,1 6ppp_D_,76,80,1,1 6ppp_D_,77,81,1,1 6ppp_D_,78,82,1,1 6ppp_D_,79,83,1,1 6ppp_D_,80,84,1,1 6ppp_D_,81,85,1,1 6ppp_D_,82,86,1,1 6ppp_D_,83,87,1,1