pair,contact1,contact2,flow1,flow2 2xvc_A_,4,35,1,1 2xvc_A_,5,33,1,1 2xvc_A_,8,11,1,1 2xvc_A_,8,12,1,1 2xvc_A_,9,13,1,1 2xvc_A_,9,49,1,1 2xvc_A_,10,14,1,1 2xvc_A_,11,15,1,1 2xvc_A_,12,16,1,1 2xvc_A_,13,17,1,1 2xvc_A_,14,18,1,1 2xvc_A_,15,19,1,1 2xvc_A_,16,19,1,1 2xvc_A_,16,21,1,1 2xvc_A_,17,20,1,1 2xvc_A_,19,22,1,1 2xvc_A_,24,27,1,1 2xvc_A_,24,28,1,1 2xvc_A_,25,29,1,1 2xvc_A_,26,30,1,1 2xvc_A_,26,36,1,1 2xvc_A_,27,31,1,1 2xvc_A_,28,32,1,1 2xvc_A_,29,33,1,1 2xvc_A_,29,34,1,1 2xvc_A_,35,39,1,1 2xvc_A_,36,40,1,1 2xvc_A_,37,41,1,1 2xvc_A_,38,42,1,1 2xvc_A_,39,43,1,1 2xvc_A_,40,44,1,1 2xvc_A_,41,45,1,1 2xvc_A_,42,46,1,1 2xvc_A_,43,47,1,1 2xvc_A_,44,47,1,1 2xvc_A_,44,48,1,1 2xvc_A_,45,49,1,1 2xvc_A_,46,51,1,1 2xvc_A_,47,50,1,1