pair,contact1,contact2,flow1,flow2 3ibr_A_,1,6,1,1 3ibr_A_,3,6,1,1 3ibr_A_,4,7,1,1 3ibr_A_,10,12,1,1 3ibr_A_,10,234,1,1 3ibr_A_,11,14,1,1 3ibr_A_,12,231,1,1 3ibr_A_,13,225,1,1 3ibr_A_,16,211,1,1 3ibr_A_,17,232,1,1 3ibr_A_,19,21,1,1 3ibr_A_,19,201,1,1 3ibr_A_,19,230,1,1 3ibr_A_,19,231,1,1 3ibr_A_,21,105,1,1 3ibr_A_,22,38,1,1 3ibr_A_,23,103,1,1 3ibr_A_,24,36,1,1 3ibr_A_,25,101,1,1 3ibr_A_,26,33,1,1 3ibr_A_,26,34,1,1 3ibr_A_,27,99,1,1 3ibr_A_,28,30,1,1 3ibr_A_,28,31,1,1 3ibr_A_,30,52,1,1 3ibr_A_,32,50,1,1 3ibr_A_,35,212,1,1 3ibr_A_,36,38,1,1 3ibr_A_,37,210,1,1 3ibr_A_,38,42,1,1 3ibr_A_,39,43,1,1 3ibr_A_,46,48,1,1 3ibr_A_,48,51,1,1 3ibr_A_,54,57,1,1 3ibr_A_,55,59,1,1 3ibr_A_,59,63,1,1 3ibr_A_,60,64,1,1 3ibr_A_,61,81,1,1 3ibr_A_,63,66,1,1 3ibr_A_,64,67,1,1 3ibr_A_,65,69,1,1 3ibr_A_,66,70,1,1 3ibr_A_,67,71,1,1 3ibr_A_,75,94,1,1 3ibr_A_,77,92,1,1 3ibr_A_,79,90,1,1 3ibr_A_,81,88,1,1 3ibr_A_,83,86,1,1 3ibr_A_,87,106,1,1 3ibr_A_,89,104,1,1 3ibr_A_,89,106,1,1 3ibr_A_,91,102,1,1 3ibr_A_,93,100,1,1 3ibr_A_,95,98,1,1 3ibr_A_,102,228,1,1 3ibr_A_,102,229,1,1 3ibr_A_,102,230,1,1 3ibr_A_,104,276,1,1 3ibr_A_,112,115,1,1 3ibr_A_,112,116,1,1 3ibr_A_,113,117,1,1 3ibr_A_,114,118,1,1 3ibr_A_,115,119,1,1 3ibr_A_,116,120,1,1 3ibr_A_,117,121,1,1 3ibr_A_,118,122,1,1 3ibr_A_,119,123,1,1 3ibr_A_,120,123,1,1 3ibr_A_,120,124,1,1 3ibr_A_,121,125,1,1 3ibr_A_,123,126,1,1 3ibr_A_,124,127,1,1 3ibr_A_,125,128,1,1 3ibr_A_,132,134,1,1 3ibr_A_,132,135,1,1 3ibr_A_,132,136,1,1 3ibr_A_,133,137,1,1 3ibr_A_,133,293,1,1 3ibr_A_,134,138,1,1 3ibr_A_,135,139,1,1 3ibr_A_,136,139,1,1 3ibr_A_,136,140,1,1 3ibr_A_,137,141,1,1 3ibr_A_,138,142,1,1 3ibr_A_,139,143,1,1 3ibr_A_,140,144,1,1 3ibr_A_,142,145,1,1 3ibr_A_,142,146,1,1 3ibr_A_,143,146,1,1 3ibr_A_,144,147,1,1 3ibr_A_,145,148,1,1 3ibr_A_,145,150,1,1 3ibr_A_,147,149,1,1 3ibr_A_,147,269,1,1 3ibr_A_,150,170,1,1 3ibr_A_,150,266,1,1 3ibr_A_,151,174,1,1 3ibr_A_,151,265,1,1 3ibr_A_,152,168,1,1 3ibr_A_,153,165,1,1 3ibr_A_,154,261,1,1 3ibr_A_,155,163,1,1 3ibr_A_,156,259,1,1 3ibr_A_,157,161,1,1 3ibr_A_,159,161,1,1 3ibr_A_,162,181,1,1 3ibr_A_,164,178,1,1 3ibr_A_,164,179,1,1 3ibr_A_,167,175,1,1 3ibr_A_,167,176,1,1 3ibr_A_,169,173,1,1 3ibr_A_,170,172,1,1 3ibr_A_,170,173,1,1 3ibr_A_,176,179,1,1 3ibr_A_,182,185,1,1 3ibr_A_,183,186,1,1 3ibr_A_,184,406,1,1 3ibr_A_,185,412,1,1 3ibr_A_,187,191,1,1 3ibr_A_,188,192,1,1 3ibr_A_,189,193,1,1 3ibr_A_,190,194,1,1 3ibr_A_,191,195,1,1 3ibr_A_,192,195,1,1 3ibr_A_,192,196,1,1 3ibr_A_,193,197,1,1 3ibr_A_,193,200,1,1 3ibr_A_,194,251,1,1 3ibr_A_,197,226,1,1 3ibr_A_,197,251,1,1 3ibr_A_,198,251,1,1 3ibr_A_,200,231,1,1 3ibr_A_,200,249,1,1 3ibr_A_,202,248,1,1 3ibr_A_,203,269,1,1 3ibr_A_,204,207,1,1 3ibr_A_,205,238,1,1 3ibr_A_,205,246,1,1 3ibr_A_,207,233,1,1 3ibr_A_,214,222,1,1 3ibr_A_,216,218,1,1 3ibr_A_,216,219,1,1 3ibr_A_,216,220,1,1 3ibr_A_,216,221,1,1 3ibr_A_,224,226,1,1 3ibr_A_,225,228,1,1 3ibr_A_,234,236,1,1 3ibr_A_,234,238,1,1 3ibr_A_,235,239,1,1 3ibr_A_,236,240,1,1 3ibr_A_,237,241,1,1 3ibr_A_,238,242,1,1 3ibr_A_,239,242,1,1 3ibr_A_,239,243,1,1 3ibr_A_,239,403,1,1 3ibr_A_,239,404,1,1 3ibr_A_,240,412,1,1 3ibr_A_,243,407,1,1 3ibr_A_,247,266,1,1 3ibr_A_,250,262,1,1 3ibr_A_,251,282,1,1 3ibr_A_,252,259,1,1 3ibr_A_,252,260,1,1 3ibr_A_,253,286,1,1 3ibr_A_,254,257,1,1 3ibr_A_,271,276,1,1 3ibr_A_,272,276,1,1 3ibr_A_,275,277,1,1 3ibr_A_,275,278,1,1 3ibr_A_,276,279,1,1 3ibr_A_,277,281,1,1 3ibr_A_,278,282,1,1 3ibr_A_,280,283,1,1 3ibr_A_,280,284,1,1 3ibr_A_,281,285,1,1 3ibr_A_,282,286,1,1 3ibr_A_,283,287,1,1 3ibr_A_,284,288,1,1 3ibr_A_,285,289,1,1 3ibr_A_,286,290,1,1 3ibr_A_,287,291,1,1 3ibr_A_,288,291,1,1 3ibr_A_,288,292,1,1 3ibr_A_,289,293,1,1 3ibr_A_,290,294,1,1 3ibr_A_,291,295,1,1 3ibr_A_,292,296,1,1 3ibr_A_,293,296,1,1 3ibr_A_,293,297,1,1 3ibr_A_,294,298,1,1 3ibr_A_,295,299,1,1 3ibr_A_,296,299,1,1 3ibr_A_,296,300,1,1 3ibr_A_,297,301,1,1 3ibr_A_,299,302,1,1 3ibr_A_,299,303,1,1 3ibr_A_,300,304,1,1 3ibr_A_,301,305,1,1 3ibr_A_,302,305,1,1 3ibr_A_,302,306,1,1 3ibr_A_,303,307,1,1 3ibr_A_,304,308,1,1 3ibr_A_,305,309,1,1 3ibr_A_,306,310,1,1 3ibr_A_,307,311,1,1 3ibr_A_,308,312,1,1 3ibr_A_,308,441,1,1 3ibr_A_,309,313,1,1 3ibr_A_,310,314,1,1 3ibr_A_,311,315,1,1 3ibr_A_,312,316,1,1 3ibr_A_,313,317,1,1 3ibr_A_,315,318,1,1 3ibr_A_,320,324,1,1 3ibr_A_,321,325,1,1 3ibr_A_,323,326,1,1 3ibr_A_,327,329,1,1 3ibr_A_,331,334,1,1 3ibr_A_,332,335,1,1 3ibr_A_,336,338,1,1 3ibr_A_,338,340,1,1 3ibr_A_,339,394,1,1 3ibr_A_,339,396,1,1 3ibr_A_,340,394,1,1 3ibr_A_,341,351,1,1 3ibr_A_,342,392,1,1 3ibr_A_,344,347,1,1 3ibr_A_,353,356,1,1 3ibr_A_,354,357,1,1 3ibr_A_,355,358,1,1 3ibr_A_,355,359,1,1 3ibr_A_,356,360,1,1 3ibr_A_,358,361,1,1 3ibr_A_,359,362,1,1 3ibr_A_,359,363,1,1 3ibr_A_,360,364,1,1 3ibr_A_,366,369,1,1 3ibr_A_,367,387,1,1 3ibr_A_,370,387,1,1 3ibr_A_,370,439,1,1 3ibr_A_,372,385,1,1 3ibr_A_,374,375,1,1 3ibr_A_,374,383,1,1 3ibr_A_,374,427,1,1 3ibr_A_,379,380,1,1 3ibr_A_,382,395,1,1 3ibr_A_,384,393,1,1 3ibr_A_,386,391,1,1 3ibr_A_,387,439,1,1 3ibr_A_,388,389,1,1 3ibr_A_,395,425,1,1 3ibr_A_,395,431,1,1 3ibr_A_,406,408,1,1 3ibr_A_,406,412,1,1 3ibr_A_,408,412,1,1 3ibr_A_,409,412,1,1 3ibr_A_,409,413,1,1 3ibr_A_,410,414,1,1 3ibr_A_,411,415,1,1 3ibr_A_,413,416,1,1 3ibr_A_,413,417,1,1 3ibr_A_,416,419,1,1 3ibr_A_,417,420,1,1 3ibr_A_,420,423,1,1 3ibr_A_,428,431,1,1 3ibr_A_,428,432,1,1 3ibr_A_,430,433,1,1 3ibr_A_,430,434,1,1 3ibr_A_,431,435,1,1 3ibr_A_,433,437,1,1 3ibr_A_,434,438,1,1 3ibr_A_,435,439,1,1 3ibr_A_,436,440,1,1 3ibr_A_,437,441,1,1 3ibr_A_,438,442,1,1 3ibr_A_,443,445,1,1