pair,contact1,contact2,flow1,flow2 2nnz_A_,10,21,1,1 2nnz_A_,11,129,1,1 2nnz_A_,12,19,1,1 2nnz_A_,14,17,1,1 2nnz_A_,20,113,1,1 2nnz_A_,22,109,1,1 2nnz_A_,24,27,1,1 2nnz_A_,28,32,1,1 2nnz_A_,29,33,1,1 2nnz_A_,30,33,1,1 2nnz_A_,31,34,1,1 2nnz_A_,32,36,1,1 2nnz_A_,33,37,1,1 2nnz_A_,34,38,1,1 2nnz_A_,35,38,1,1 2nnz_A_,41,128,1,1 2nnz_A_,43,126,1,1 2nnz_A_,45,124,1,1 2nnz_A_,47,120,1,1 2nnz_A_,48,51,1,1 2nnz_A_,50,90,1,1 2nnz_A_,52,86,1,1 2nnz_A_,61,82,1,1 2nnz_A_,62,64,1,1 2nnz_A_,66,103,1,1 2nnz_A_,67,104,1,1 2nnz_A_,71,74,1,1 2nnz_A_,73,110,1,1 2nnz_A_,75,108,1,1 2nnz_A_,76,85,1,1 2nnz_A_,77,105,1,1 2nnz_A_,78,83,1,1 2nnz_A_,79,82,1,1 2nnz_A_,91,94,1,1 2nnz_A_,111,113,1,1 2nnz_A_,112,113,1,1 2nnz_A_,116,118,1,1 2nnz_A_,116,119,1,1 2nnz_A_,121,124,1,1