pair,contact1,contact2,flow1,flow2 3i55_2_,4,7,1,1 3i55_2_,4,8,1,1 3i55_2_,5,9,1,1 3i55_2_,6,10,1,1 3i55_2_,7,11,1,1 3i55_2_,8,12,1,1 3i55_2_,9,13,1,1 3i55_2_,10,14,1,1 3i55_2_,11,15,1,1 3i55_2_,12,16,1,1 3i55_2_,13,17,1,1 3i55_2_,14,37,1,1 3i55_2_,15,18,1,1 3i55_2_,16,19,1,1 3i55_2_,22,25,1,1 3i55_2_,23,26,1,1 3i55_2_,24,28,1,1 3i55_2_,25,29,1,1 3i55_2_,26,29,1,1 3i55_2_,26,31,1,1 3i55_2_,27,30,1,1 3i55_2_,36,42,1,1 3i55_2_,38,42,1,1 3i55_2_,44,45,1,1