pair,contact1,contact2,flow1,flow2 2vvv_L_,1,9,1,1 2vvv_L_,2,5,1,1 2vvv_L_,3,16,1,1 2vvv_L_,5,8,1,1 2vvv_L_,6,9,1,1 2vvv_L_,7,10,1,1 2vvv_L_,7,12,1,1 2vvv_L_,7,14,1,1 2vvv_L_,8,10,1,1 2vvv_L_,8,36,1,1 2vvv_L_,10,13,1,1 2vvv_L_,11,36,1,1 2vvv_L_,11,38,1,1 2vvv_L_,12,26,1,1 2vvv_L_,13,24,1,1 2vvv_L_,15,22,1,1 2vvv_L_,17,20,1,1 2vvv_L_,23,35,1,1 2vvv_L_,24,38,1,1 2vvv_L_,26,29,1,1 2vvv_L_,27,46,1,1 2vvv_L_,28,41,1,1 2vvv_L_,29,46,1,1 2vvv_L_,30,39,1,1 2vvv_L_,32,35,1,1 2vvv_L_,32,37,1,1 2vvv_L_,34,36,1,1 2vvv_L_,34,37,1,1 2vvv_L_,45,48,1,1