pair,contact1,contact2,flow1,flow2 2dvw_B_,2,6,1,1 2dvw_B_,3,7,1,1 2dvw_B_,3,26,1,1 2dvw_B_,4,8,1,1 2dvw_B_,5,9,1,1 2dvw_B_,6,10,1,1 2dvw_B_,6,29,1,1 2dvw_B_,7,11,1,1 2dvw_B_,7,26,1,1 2dvw_B_,8,11,1,1 2dvw_B_,8,12,1,1 2dvw_B_,9,13,1,1 2dvw_B_,10,14,1,1 2dvw_B_,12,15,1,1 2dvw_B_,14,17,1,1 2dvw_B_,18,57,1,1 2dvw_B_,18,59,1,1 2dvw_B_,20,22,1,1 2dvw_B_,20,23,1,1 2dvw_B_,20,59,1,1 2dvw_B_,24,26,1,1 2dvw_B_,24,27,1,1 2dvw_B_,25,28,1,1 2dvw_B_,25,29,1,1 2dvw_B_,26,30,1,1 2dvw_B_,28,31,1,1 2dvw_B_,28,65,1,1 2dvw_B_,31,65,1,1 2dvw_B_,33,68,1,1 2dvw_B_,36,39,1,1 2dvw_B_,36,40,1,1 2dvw_B_,37,41,1,1 2dvw_B_,38,42,1,1 2dvw_B_,39,43,1,1 2dvw_B_,40,44,1,1 2dvw_B_,41,45,1,1 2dvw_B_,42,46,1,1 2dvw_B_,43,47,1,1 2dvw_B_,44,48,1,1 2dvw_B_,45,49,1,1 2dvw_B_,46,50,1,1 2dvw_B_,47,51,1,1 2dvw_B_,48,52,1,1 2dvw_B_,49,53,1,1 2dvw_B_,51,54,1,1 2dvw_B_,51,56,1,1 2dvw_B_,52,55,1,1 2dvw_B_,54,56,1,1 2dvw_B_,54,62,1,1 2dvw_B_,56,58,1,1 2dvw_B_,56,63,1,1 2dvw_B_,60,63,1,1 2dvw_B_,60,64,1,1 2dvw_B_,61,65,1,1 2dvw_B_,62,66,1,1 2dvw_B_,63,67,1,1 2dvw_B_,64,68,1,1 2dvw_B_,65,69,1,1 2dvw_B_,66,70,1,1 2dvw_B_,67,71,1,1 2dvw_B_,68,72,1,1