pair,contact1,contact2,flow1,flow2 2fld_A_,1,3,1,1 2fld_A_,3,6,1,1 2fld_A_,3,7,1,1 2fld_A_,4,8,1,1 2fld_A_,5,9,1,1 2fld_A_,6,10,1,1 2fld_A_,7,11,1,1 2fld_A_,8,12,1,1 2fld_A_,9,13,1,1 2fld_A_,10,14,1,1 2fld_A_,11,15,1,1 2fld_A_,13,16,1,1 2fld_A_,13,17,1,1 2fld_A_,14,18,1,1 2fld_A_,15,97,1,1 2fld_A_,15,98,1,1 2fld_A_,15,99,1,1 2fld_A_,17,44,1,1 2fld_A_,17,45,1,1 2fld_A_,19,42,1,1 2fld_A_,20,137,1,1 2fld_A_,21,40,1,1 2fld_A_,22,134,1,1 2fld_A_,23,38,1,1 2fld_A_,25,36,1,1 2fld_A_,27,29,1,1 2fld_A_,27,30,1,1 2fld_A_,27,34,1,1 2fld_A_,27,36,1,1 2fld_A_,28,34,1,1 2fld_A_,30,34,1,1 2fld_A_,32,160,1,1 2fld_A_,35,154,1,1 2fld_A_,39,81,1,1 2fld_A_,41,79,1,1 2fld_A_,43,77,1,1 2fld_A_,44,45,1,1 2fld_A_,45,75,1,1 2fld_A_,46,48,1,1 2fld_A_,46,49,1,1 2fld_A_,47,50,1,1 2fld_A_,47,73,1,1 2fld_A_,49,52,1,1 2fld_A_,50,54,1,1 2fld_A_,51,55,1,1 2fld_A_,52,56,1,1 2fld_A_,53,57,1,1 2fld_A_,54,58,1,1 2fld_A_,55,59,1,1 2fld_A_,56,60,1,1 2fld_A_,57,60,1,1 2fld_A_,57,62,1,1 2fld_A_,58,61,1,1 2fld_A_,63,77,1,1 2fld_A_,65,78,1,1 2fld_A_,67,76,1,1 2fld_A_,69,71,1,1 2fld_A_,69,73,1,1 2fld_A_,70,72,1,1 2fld_A_,70,74,1,1 2fld_A_,81,85,1,1 2fld_A_,82,86,1,1 2fld_A_,83,86,1,1 2fld_A_,84,87,1,1 2fld_A_,84,88,1,1 2fld_A_,85,89,1,1 2fld_A_,88,92,1,1 2fld_A_,89,92,1,1 2fld_A_,89,93,1,1 2fld_A_,92,95,1,1 2fld_A_,92,96,1,1 2fld_A_,93,96,1,1 2fld_A_,93,100,1,1 2fld_A_,96,100,1,1 2fld_A_,97,100,1,1 2fld_A_,99,103,1,1 2fld_A_,100,104,1,1 2fld_A_,101,105,1,1 2fld_A_,102,106,1,1 2fld_A_,102,137,1,1 2fld_A_,103,107,1,1 2fld_A_,104,108,1,1 2fld_A_,105,109,1,1 2fld_A_,105,132,1,1 2fld_A_,106,110,1,1 2fld_A_,107,111,1,1 2fld_A_,108,112,1,1 2fld_A_,109,113,1,1 2fld_A_,112,115,1,1 2fld_A_,112,116,1,1 2fld_A_,113,116,1,1 2fld_A_,113,117,1,1 2fld_A_,116,119,1,1 2fld_A_,119,122,1,1 2fld_A_,119,123,1,1 2fld_A_,120,124,1,1 2fld_A_,121,125,1,1 2fld_A_,122,126,1,1 2fld_A_,123,127,1,1 2fld_A_,124,128,1,1 2fld_A_,127,131,1,1 2fld_A_,128,132,1,1 2fld_A_,129,133,1,1 2fld_A_,130,134,1,1 2fld_A_,131,135,1,1 2fld_A_,131,147,1,1 2fld_A_,131,148,1,1 2fld_A_,132,136,1,1 2fld_A_,134,137,1,1 2fld_A_,134,145,1,1 2fld_A_,134,147,1,1 2fld_A_,135,138,1,1 2fld_A_,135,145,1,1 2fld_A_,139,142,1,1 2fld_A_,146,149,1,1 2fld_A_,146,150,1,1 2fld_A_,147,150,1,1 2fld_A_,147,151,1,1 2fld_A_,148,152,1,1 2fld_A_,149,153,1,1 2fld_A_,150,154,1,1 2fld_A_,151,155,1,1 2fld_A_,152,156,1,1 2fld_A_,153,157,1,1 2fld_A_,154,158,1,1 2fld_A_,155,160,1,1 2fld_A_,155,161,1,1 2fld_A_,156,159,1,1