pair,contact1,contact2,flow1,flow2 6xdr_n_,1,5,1,1 6xdr_n_,2,6,1,1 6xdr_n_,3,7,1,1 6xdr_n_,4,8,1,1 6xdr_n_,5,9,1,1 6xdr_n_,6,10,1,1 6xdr_n_,7,12,1,1 6xdr_n_,7,28,1,1 6xdr_n_,10,14,1,1 6xdr_n_,11,15,1,1 6xdr_n_,12,16,1,1 6xdr_n_,13,17,1,1 6xdr_n_,14,18,1,1 6xdr_n_,15,19,1,1 6xdr_n_,16,20,1,1 6xdr_n_,23,25,1,1 6xdr_n_,23,26,1,1 6xdr_n_,24,27,1,1 6xdr_n_,25,29,1,1 6xdr_n_,29,157,1,1 6xdr_n_,29,158,1,1 6xdr_n_,31,91,1,1 6xdr_n_,31,156,1,1 6xdr_n_,32,156,1,1 6xdr_n_,33,90,1,1 6xdr_n_,34,154,1,1 6xdr_n_,35,88,1,1 6xdr_n_,36,152,1,1 6xdr_n_,37,86,1,1 6xdr_n_,39,42,1,1 6xdr_n_,39,84,1,1 6xdr_n_,40,43,1,1 6xdr_n_,41,44,1,1 6xdr_n_,47,51,1,1 6xdr_n_,48,52,1,1 6xdr_n_,49,53,1,1 6xdr_n_,50,54,1,1 6xdr_n_,51,55,1,1 6xdr_n_,52,56,1,1 6xdr_n_,53,57,1,1 6xdr_n_,54,58,1,1 6xdr_n_,55,59,1,1 6xdr_n_,55,134,1,1 6xdr_n_,55,149,1,1 6xdr_n_,56,60,1,1 6xdr_n_,61,94,1,1 6xdr_n_,62,89,1,1 6xdr_n_,65,87,1,1 6xdr_n_,67,84,1,1 6xdr_n_,67,85,1,1 6xdr_n_,69,81,1,1 6xdr_n_,69,82,1,1 6xdr_n_,72,78,1,1 6xdr_n_,79,82,1,1 6xdr_n_,92,96,1,1 6xdr_n_,93,97,1,1 6xdr_n_,94,98,1,1 6xdr_n_,95,99,1,1 6xdr_n_,96,100,1,1 6xdr_n_,97,101,1,1 6xdr_n_,98,102,1,1 6xdr_n_,99,103,1,1 6xdr_n_,100,104,1,1 6xdr_n_,101,105,1,1 6xdr_n_,101,106,1,1 6xdr_n_,102,107,1,1 6xdr_n_,105,109,1,1 6xdr_n_,107,110,1,1 6xdr_n_,109,135,1,1 6xdr_n_,109,136,1,1 6xdr_n_,111,133,1,1 6xdr_n_,117,127,1,1 6xdr_n_,122,124,1,1 6xdr_n_,126,157,1,1 6xdr_n_,127,155,1,1 6xdr_n_,129,153,1,1 6xdr_n_,131,151,1,1 6xdr_n_,134,147,1,1 6xdr_n_,134,149,1,1 6xdr_n_,162,166,1,1 6xdr_n_,163,167,1,1 6xdr_n_,164,168,1,1 6xdr_n_,165,169,1,1 6xdr_n_,166,170,1,1 6xdr_n_,167,171,1,1 6xdr_n_,168,172,1,1 6xdr_n_,169,172,1,1 6xdr_n_,169,174,1,1