pair,contact1,contact2,flow1,flow2 7vwl_U_,1,5,1,1 7vwl_U_,2,6,1,1 7vwl_U_,3,7,1,1 7vwl_U_,4,8,1,1 7vwl_U_,5,9,1,1 7vwl_U_,6,10,1,1 7vwl_U_,7,11,1,1 7vwl_U_,8,12,1,1 7vwl_U_,9,13,1,1 7vwl_U_,15,19,1,1 7vwl_U_,16,20,1,1 7vwl_U_,17,21,1,1 7vwl_U_,18,21,1,1 7vwl_U_,18,22,1,1 7vwl_U_,19,23,1,1 7vwl_U_,20,24,1,1 7vwl_U_,21,25,1,1 7vwl_U_,22,26,1,1 7vwl_U_,23,27,1,1 7vwl_U_,24,28,1,1 7vwl_U_,25,29,1,1 7vwl_U_,26,30,1,1 7vwl_U_,27,31,1,1 7vwl_U_,30,33,1,1 7vwl_U_,31,34,1,1 7vwl_U_,31,35,1,1 7vwl_U_,32,38,1,1 7vwl_U_,35,37,1,1 7vwl_U_,37,41,1,1 7vwl_U_,38,42,1,1 7vwl_U_,39,43,1,1 7vwl_U_,40,44,1,1 7vwl_U_,41,45,1,1 7vwl_U_,42,46,1,1 7vwl_U_,43,47,1,1 7vwl_U_,44,47,1,1 7vwl_U_,44,48,1,1 7vwl_U_,45,48,1,1 7vwl_U_,58,60,1,1 7vwl_U_,59,61,1,1 7vwl_U_,67,71,1,1 7vwl_U_,68,70,1,1 7vwl_U_,68,71,1,1 7vwl_U_,77,81,1,1 7vwl_U_,78,81,1,1 7vwl_U_,78,82,1,1 7vwl_U_,79,83,1,1