pair,contact1,contact2,flow1,flow2 1nbl_A_,1,35,1,1 1nbl_A_,2,10,1,1 1nbl_A_,2,33,1,1 1nbl_A_,3,33,1,1 1nbl_A_,4,46,1,1 1nbl_A_,6,10,1,1 1nbl_A_,7,11,1,1 1nbl_A_,8,12,1,1 1nbl_A_,9,13,1,1 1nbl_A_,9,32,1,1 1nbl_A_,10,14,1,1 1nbl_A_,11,15,1,1 1nbl_A_,12,16,1,1 1nbl_A_,13,17,1,1 1nbl_A_,13,26,1,1 1nbl_A_,14,18,1,1 1nbl_A_,15,19,1,1 1nbl_A_,16,19,1,1 1nbl_A_,16,21,1,1 1nbl_A_,16,22,1,1 1nbl_A_,17,21,1,1 1nbl_A_,21,26,1,1 1nbl_A_,22,26,1,1 1nbl_A_,23,27,1,1 1nbl_A_,24,28,1,1 1nbl_A_,25,29,1,1 1nbl_A_,26,30,1,1 1nbl_A_,28,31,1,1 1nbl_A_,30,32,1,1 1nbl_A_,40,46,1,1 1nbl_A_,41,44,1,1