pair,contact1,contact2,flow1,flow2 2bct_A_,3,7,1,1 2bct_A_,4,8,1,1 2bct_A_,5,9,1,1 2bct_A_,6,9,1,1 2bct_A_,6,10,1,1 2bct_A_,7,11,1,1 2bct_A_,8,12,1,1 2bct_A_,10,13,1,1 2bct_A_,11,52,1,1 2bct_A_,12,51,1,1 2bct_A_,13,15,1,1 2bct_A_,15,19,1,1 2bct_A_,16,20,1,1 2bct_A_,16,56,1,1 2bct_A_,16,57,1,1 2bct_A_,17,21,1,1 2bct_A_,18,22,1,1 2bct_A_,19,23,1,1 2bct_A_,20,24,1,1 2bct_A_,20,60,1,1 2bct_A_,21,25,1,1 2bct_A_,22,26,1,1 2bct_A_,23,27,1,1 2bct_A_,24,28,1,1 2bct_A_,25,29,1,1 2bct_A_,27,30,1,1 2bct_A_,27,64,1,1 2bct_A_,28,31,1,1 2bct_A_,29,35,1,1 2bct_A_,30,36,1,1 2bct_A_,30,71,1,1 2bct_A_,32,35,1,1 2bct_A_,32,36,1,1 2bct_A_,33,37,1,1 2bct_A_,35,39,1,1 2bct_A_,36,40,1,1 2bct_A_,36,75,1,1 2bct_A_,37,41,1,1 2bct_A_,39,42,1,1 2bct_A_,41,77,1,1 2bct_A_,42,44,1,1 2bct_A_,42,45,1,1 2bct_A_,42,46,1,1 2bct_A_,43,47,1,1 2bct_A_,44,48,1,1 2bct_A_,45,48,1,1 2bct_A_,45,49,1,1 2bct_A_,46,50,1,1 2bct_A_,47,51,1,1 2bct_A_,48,52,1,1 2bct_A_,49,53,1,1 2bct_A_,50,54,1,1 2bct_A_,51,55,1,1 2bct_A_,52,56,1,1 2bct_A_,56,58,1,1 2bct_A_,58,62,1,1 2bct_A_,59,63,1,1 2bct_A_,60,64,1,1 2bct_A_,61,65,1,1 2bct_A_,62,65,1,1 2bct_A_,62,66,1,1 2bct_A_,63,67,1,1 2bct_A_,64,68,1,1 2bct_A_,65,69,1,1 2bct_A_,66,70,1,1 2bct_A_,67,71,1,1 2bct_A_,68,72,1,1 2bct_A_,69,73,1,1 2bct_A_,70,71,1,1 2bct_A_,70,73,1,1 2bct_A_,71,74,1,1 2bct_A_,72,75,1,1 2bct_A_,73,112,1,1 2bct_A_,75,79,1,1 2bct_A_,76,80,1,1 2bct_A_,77,81,1,1 2bct_A_,78,82,1,1 2bct_A_,79,83,1,1 2bct_A_,80,84,1,1 2bct_A_,81,85,1,1 2bct_A_,82,85,1,1 2bct_A_,82,87,1,1 2bct_A_,86,90,1,1 2bct_A_,87,91,1,1 2bct_A_,88,92,1,1 2bct_A_,89,93,1,1 2bct_A_,90,94,1,1 2bct_A_,91,94,1,1 2bct_A_,92,95,1,1 2bct_A_,93,96,1,1 2bct_A_,94,97,1,1 2bct_A_,97,99,1,1 2bct_A_,99,103,1,1 2bct_A_,100,104,1,1 2bct_A_,101,105,1,1 2bct_A_,102,106,1,1 2bct_A_,103,107,1,1 2bct_A_,104,108,1,1 2bct_A_,105,109,1,1 2bct_A_,106,109,1,1 2bct_A_,106,110,1,1 2bct_A_,107,111,1,1 2bct_A_,108,112,1,1 2bct_A_,109,113,1,1 2bct_A_,110,114,1,1 2bct_A_,111,115,1,1 2bct_A_,111,150,1,1 2bct_A_,112,116,1,1 2bct_A_,113,116,1,1 2bct_A_,113,117,1,1 2bct_A_,117,118,1,1 2bct_A_,117,120,1,1 2bct_A_,119,123,1,1 2bct_A_,120,124,1,1 2bct_A_,121,125,1,1 2bct_A_,122,126,1,1 2bct_A_,123,127,1,1 2bct_A_,124,129,1,1 2bct_A_,125,128,1,1 2bct_A_,125,155,1,1 2bct_A_,129,133,1,1 2bct_A_,130,134,1,1 2bct_A_,131,135,1,1 2bct_A_,132,136,1,1 2bct_A_,134,137,1,1 2bct_A_,135,138,1,1 2bct_A_,136,139,1,1 2bct_A_,141,144,1,1 2bct_A_,141,145,1,1 2bct_A_,142,146,1,1 2bct_A_,143,147,1,1 2bct_A_,144,148,1,1 2bct_A_,145,149,1,1 2bct_A_,146,149,1,1 2bct_A_,146,150,1,1 2bct_A_,147,151,1,1 2bct_A_,148,152,1,1 2bct_A_,149,153,1,1 2bct_A_,150,153,1,1 2bct_A_,150,154,1,1 2bct_A_,151,155,1,1 2bct_A_,152,156,1,1 2bct_A_,153,157,1,1 2bct_A_,155,162,1,1 2bct_A_,156,159,1,1 2bct_A_,159,162,1,1 2bct_A_,159,163,1,1 2bct_A_,160,164,1,1 2bct_A_,160,201,1,1 2bct_A_,161,165,1,1 2bct_A_,162,166,1,1 2bct_A_,163,167,1,1 2bct_A_,163,197,1,1 2bct_A_,163,204,1,1 2bct_A_,164,168,1,1 2bct_A_,165,169,1,1 2bct_A_,166,169,1,1 2bct_A_,166,171,1,1 2bct_A_,167,170,1,1 2bct_A_,170,174,1,1 2bct_A_,171,175,1,1 2bct_A_,172,176,1,1 2bct_A_,173,177,1,1 2bct_A_,174,178,1,1 2bct_A_,175,179,1,1 2bct_A_,176,180,1,1 2bct_A_,177,180,1,1 2bct_A_,177,181,1,1 2bct_A_,178,181,1,1 2bct_A_,178,182,1,1 2bct_A_,179,220,1,1 2bct_A_,184,188,1,1 2bct_A_,185,189,1,1 2bct_A_,185,225,1,1 2bct_A_,185,227,1,1 2bct_A_,186,190,1,1 2bct_A_,187,191,1,1 2bct_A_,188,192,1,1 2bct_A_,189,192,1,1 2bct_A_,189,193,1,1 2bct_A_,190,193,1,1 2bct_A_,190,194,1,1 2bct_A_,191,195,1,1 2bct_A_,192,196,1,1 2bct_A_,193,197,1,1 2bct_A_,194,198,1,1 2bct_A_,195,198,1,1 2bct_A_,195,199,1,1 2bct_A_,196,199,1,1 2bct_A_,198,201,1,1 2bct_A_,199,238,1,1 2bct_A_,201,205,1,1 2bct_A_,204,208,1,1 2bct_A_,205,209,1,1 2bct_A_,205,238,1,1 2bct_A_,206,210,1,1 2bct_A_,207,211,1,1 2bct_A_,208,213,1,1 2bct_A_,209,212,1,1 2bct_A_,212,216,1,1 2bct_A_,213,217,1,1 2bct_A_,214,218,1,1 2bct_A_,215,247,1,1 2bct_A_,216,219,1,1 2bct_A_,217,220,1,1 2bct_A_,217,232,1,1 2bct_A_,220,223,1,1 2bct_A_,223,225,1,1 2bct_A_,225,228,1,1 2bct_A_,225,229,1,1 2bct_A_,226,230,1,1 2bct_A_,227,231,1,1 2bct_A_,228,232,1,1 2bct_A_,229,233,1,1 2bct_A_,230,234,1,1 2bct_A_,231,235,1,1 2bct_A_,232,236,1,1 2bct_A_,233,237,1,1 2bct_A_,234,238,1,1 2bct_A_,235,239,1,1 2bct_A_,236,240,1,1 2bct_A_,237,238,1,1 2bct_A_,237,240,1,1 2bct_A_,237,241,1,1 2bct_A_,249,253,1,1 2bct_A_,250,254,1,1 2bct_A_,251,255,1,1 2bct_A_,252,256,1,1 2bct_A_,253,257,1,1 2bct_A_,254,258,1,1 2bct_A_,255,259,1,1 2bct_A_,256,260,1,1 2bct_A_,258,261,1,1 2bct_A_,259,262,1,1 2bct_A_,262,264,1,1 2bct_A_,262,304,1,1 2bct_A_,264,266,1,1 2bct_A_,264,267,1,1 2bct_A_,264,268,1,1 2bct_A_,265,269,1,1 2bct_A_,267,271,1,1 2bct_A_,268,272,1,1 2bct_A_,269,273,1,1 2bct_A_,270,274,1,1 2bct_A_,271,275,1,1 2bct_A_,272,276,1,1 2bct_A_,273,277,1,1 2bct_A_,274,278,1,1 2bct_A_,275,279,1,1 2bct_A_,276,279,1,1 2bct_A_,276,280,1,1 2bct_A_,278,285,1,1 2bct_A_,279,321,1,1 2bct_A_,280,321,1,1 2bct_A_,282,285,1,1 2bct_A_,282,286,1,1 2bct_A_,283,284,1,1 2bct_A_,283,287,1,1 2bct_A_,284,288,1,1 2bct_A_,285,289,1,1 2bct_A_,286,290,1,1 2bct_A_,286,321,1,1 2bct_A_,286,324,1,1 2bct_A_,287,291,1,1 2bct_A_,288,292,1,1 2bct_A_,289,294,1,1 2bct_A_,290,293,1,1 2bct_A_,290,322,1,1 2bct_A_,293,297,1,1 2bct_A_,294,298,1,1 2bct_A_,295,299,1,1 2bct_A_,296,300,1,1 2bct_A_,297,301,1,1 2bct_A_,298,302,1,1 2bct_A_,299,303,1,1 2bct_A_,300,304,1,1 2bct_A_,301,305,1,1 2bct_A_,305,308,1,1 2bct_A_,308,311,1,1 2bct_A_,308,312,1,1 2bct_A_,309,313,1,1 2bct_A_,309,354,1,1 2bct_A_,311,315,1,1 2bct_A_,312,316,1,1 2bct_A_,313,317,1,1 2bct_A_,314,318,1,1 2bct_A_,315,319,1,1 2bct_A_,316,320,1,1 2bct_A_,317,321,1,1 2bct_A_,318,322,1,1 2bct_A_,319,323,1,1 2bct_A_,320,323,1,1 2bct_A_,320,324,1,1 2bct_A_,320,367,1,1 2bct_A_,321,324,1,1 2bct_A_,322,326,1,1 2bct_A_,323,333,1,1 2bct_A_,326,329,1,1 2bct_A_,328,331,1,1 2bct_A_,328,332,1,1 2bct_A_,329,333,1,1 2bct_A_,330,334,1,1 2bct_A_,331,335,1,1 2bct_A_,332,336,1,1 2bct_A_,333,374,1,1 2bct_A_,334,337,1,1 2bct_A_,334,338,1,1 2bct_A_,335,339,1,1 2bct_A_,336,341,1,1 2bct_A_,337,340,1,1 2bct_A_,337,374,1,1 2bct_A_,341,345,1,1 2bct_A_,342,346,1,1 2bct_A_,343,347,1,1 2bct_A_,344,348,1,1 2bct_A_,345,348,1,1 2bct_A_,346,349,1,1 2bct_A_,347,350,1,1 2bct_A_,348,353,1,1 2bct_A_,349,386,1,1 2bct_A_,350,353,1,1 2bct_A_,354,357,1,1 2bct_A_,355,359,1,1 2bct_A_,357,361,1,1 2bct_A_,358,362,1,1 2bct_A_,359,363,1,1 2bct_A_,359,405,1,1 2bct_A_,360,364,1,1 2bct_A_,361,365,1,1 2bct_A_,362,366,1,1 2bct_A_,363,367,1,1 2bct_A_,364,368,1,1 2bct_A_,365,369,1,1 2bct_A_,367,370,1,1 2bct_A_,368,374,1,1 2bct_A_,369,375,1,1 2bct_A_,371,374,1,1 2bct_A_,372,375,1,1 2bct_A_,374,378,1,1 2bct_A_,375,379,1,1 2bct_A_,375,423,1,1 2bct_A_,376,380,1,1 2bct_A_,377,381,1,1 2bct_A_,378,381,1,1 2bct_A_,378,383,1,1 2bct_A_,379,382,1,1 2bct_A_,379,423,1,1 2bct_A_,382,386,1,1 2bct_A_,383,387,1,1 2bct_A_,384,388,1,1 2bct_A_,385,389,1,1 2bct_A_,386,390,1,1 2bct_A_,387,391,1,1 2bct_A_,388,392,1,1 2bct_A_,389,393,1,1 2bct_A_,390,394,1,1 2bct_A_,391,395,1,1 2bct_A_,392,396,1,1 2bct_A_,394,397,1,1 2bct_A_,395,398,1,1 2bct_A_,396,400,1,1 2bct_A_,402,405,1,1 2bct_A_,403,407,1,1 2bct_A_,404,408,1,1 2bct_A_,405,409,1,1 2bct_A_,406,410,1,1 2bct_A_,407,411,1,1 2bct_A_,408,412,1,1 2bct_A_,409,413,1,1 2bct_A_,410,414,1,1 2bct_A_,411,415,1,1 2bct_A_,413,416,1,1 2bct_A_,413,417,1,1 2bct_A_,414,418,1,1 2bct_A_,415,491,1,1 2bct_A_,416,419,1,1 2bct_A_,417,420,1,1 2bct_A_,417,423,1,1 2bct_A_,418,424,1,1 2bct_A_,419,424,1,1 2bct_A_,420,422,1,1 2bct_A_,420,423,1,1 2bct_A_,420,424,1,1 2bct_A_,421,424,1,1 2bct_A_,421,425,1,1 2bct_A_,422,426,1,1 2bct_A_,423,427,1,1 2bct_A_,424,428,1,1 2bct_A_,426,429,1,1 2bct_A_,426,430,1,1 2bct_A_,427,432,1,1 2bct_A_,428,461,1,1 2bct_A_,432,436,1,1 2bct_A_,433,437,1,1 2bct_A_,434,438,1,1 2bct_A_,435,439,1,1 2bct_A_,437,440,1,1 2bct_A_,438,441,1,1 2bct_A_,439,442,1,1 2bct_A_,442,444,1,1 2bct_A_,442,448,1,1 2bct_A_,444,448,1,1 2bct_A_,445,449,1,1 2bct_A_,445,484,1,1 2bct_A_,446,450,1,1 2bct_A_,447,451,1,1 2bct_A_,448,451,1,1 2bct_A_,448,452,1,1 2bct_A_,449,453,1,1 2bct_A_,450,454,1,1 2bct_A_,451,455,1,1 2bct_A_,452,456,1,1 2bct_A_,453,457,1,1 2bct_A_,454,458,1,1 2bct_A_,455,459,1,1 2bct_A_,457,460,1,1 2bct_A_,458,461,1,1 2bct_A_,461,465,1,1 2bct_A_,462,466,1,1 2bct_A_,463,466,1,1 2bct_A_,463,467,1,1 2bct_A_,464,468,1,1 2bct_A_,465,469,1,1 2bct_A_,466,470,1,1 2bct_A_,468,471,1,1 2bct_A_,468,473,1,1 2bct_A_,469,472,1,1 2bct_A_,473,477,1,1 2bct_A_,474,478,1,1 2bct_A_,475,479,1,1 2bct_A_,477,480,1,1 2bct_A_,478,481,1,1 2bct_A_,485,488,1,1 2bct_A_,485,489,1,1 2bct_A_,486,490,1,1 2bct_A_,487,491,1,1 2bct_A_,488,492,1,1 2bct_A_,489,493,1,1 2bct_A_,490,494,1,1 2bct_A_,491,495,1,1 2bct_A_,492,496,1,1 2bct_A_,493,497,1,1 2bct_A_,494,498,1,1 2bct_A_,495,499,1,1 2bct_A_,497,500,1,1