pair,contact1,contact2,flow1,flow2 1n7l_A_,1,3,1,1 1n7l_A_,2,6,1,1 1n7l_A_,3,10,1,1 1n7l_A_,4,7,1,1 1n7l_A_,4,8,1,1 1n7l_A_,5,9,1,1 1n7l_A_,6,10,1,1 1n7l_A_,7,11,1,1 1n7l_A_,8,12,1,1 1n7l_A_,9,13,1,1 1n7l_A_,11,14,1,1 1n7l_A_,12,15,1,1 1n7l_A_,13,16,1,1 1n7l_A_,13,17,1,1 1n7l_A_,14,18,1,1 1n7l_A_,14,23,1,1 1n7l_A_,15,24,1,1 1n7l_A_,20,21,1,1 1n7l_A_,20,23,1,1 1n7l_A_,20,26,1,1 1n7l_A_,22,26,1,1 1n7l_A_,23,27,1,1 1n7l_A_,24,27,1,1 1n7l_A_,24,28,1,1 1n7l_A_,25,29,1,1 1n7l_A_,26,30,1,1 1n7l_A_,27,31,1,1 1n7l_A_,28,32,1,1 1n7l_A_,29,33,1,1 1n7l_A_,30,34,1,1 1n7l_A_,31,35,1,1 1n7l_A_,32,36,1,1 1n7l_A_,33,37,1,1 1n7l_A_,34,38,1,1 1n7l_A_,35,39,1,1 1n7l_A_,36,40,1,1 1n7l_A_,37,41,1,1 1n7l_A_,38,42,1,1 1n7l_A_,39,43,1,1 1n7l_A_,40,44,1,1 1n7l_A_,41,45,1,1 1n7l_A_,42,46,1,1 1n7l_A_,43,47,1,1 1n7l_A_,44,48,1,1 1n7l_A_,45,49,1,1 1n7l_A_,46,50,1,1 1n7l_A_,47,51,1,1 1n7l_A_,48,52,1,1