pair,contact1,contact2,flow1,flow2 1n8r_3_,4,7,1,1 1n8r_3_,4,8,1,1 1n8r_3_,5,9,1,1 1n8r_3_,6,10,1,1 1n8r_3_,7,11,1,1 1n8r_3_,7,46,1,1 1n8r_3_,8,12,1,1 1n8r_3_,9,13,1,1 1n8r_3_,10,14,1,1 1n8r_3_,11,15,1,1 1n8r_3_,12,15,1,1 1n8r_3_,12,16,1,1 1n8r_3_,13,17,1,1 1n8r_3_,15,18,1,1 1n8r_3_,16,19,1,1 1n8r_3_,22,25,1,1 1n8r_3_,23,26,1,1 1n8r_3_,24,28,1,1 1n8r_3_,25,29,1,1 1n8r_3_,26,29,1,1 1n8r_3_,26,31,1,1 1n8r_3_,27,30,1,1 1n8r_3_,33,35,1,1 1n8r_3_,38,42,1,1