pair,contact1,contact2,flow1,flow2
3req_B_,7,11,1,1
3req_B_,16,18,1,1
3req_B_,16,19,1,1
3req_B_,17,21,1,1
3req_B_,18,22,1,1
3req_B_,19,23,1,1
3req_B_,20,24,1,1
3req_B_,22,25,1,1
3req_B_,22,26,1,1
3req_B_,23,27,1,1
3req_B_,24,28,1,1
3req_B_,24,43,1,1
3req_B_,25,29,1,1
3req_B_,29,38,1,1
3req_B_,32,36,1,1
3req_B_,32,37,1,1
3req_B_,39,42,1,1
3req_B_,39,43,1,1
3req_B_,40,44,1,1
3req_B_,41,45,1,1
3req_B_,42,46,1,1
3req_B_,43,47,1,1
3req_B_,44,47,1,1
3req_B_,44,48,1,1
3req_B_,49,57,1,1
3req_B_,50,56,1,1
3req_B_,50,437,1,1
3req_B_,51,53,1,1
3req_B_,51,55,1,1
3req_B_,53,235,1,1
3req_B_,62,65,1,1
3req_B_,71,80,1,1
3req_B_,74,81,1,1
3req_B_,78,286,1,1
3req_B_,79,286,1,1
3req_B_,80,382,1,1
3req_B_,82,305,1,1
3req_B_,83,341,1,1
3req_B_,85,336,1,1
3req_B_,85,380,1,1
3req_B_,85,381,1,1
3req_B_,86,88,1,1
3req_B_,93,95,1,1
3req_B_,93,119,1,1
3req_B_,93,120,1,1
3req_B_,93,343,1,1
3req_B_,94,119,1,1
3req_B_,94,120,1,1
3req_B_,95,120,1,1
3req_B_,95,343,1,1
3req_B_,95,344,1,1
3req_B_,96,122,1,1
3req_B_,98,122,1,1
3req_B_,98,124,1,1
3req_B_,99,130,1,1
3req_B_,100,102,1,1
3req_B_,100,106,1,1
3req_B_,100,462,1,1
3req_B_,102,104,1,1
3req_B_,102,106,1,1
3req_B_,103,107,1,1
3req_B_,105,109,1,1
3req_B_,106,110,1,1
3req_B_,107,111,1,1
3req_B_,107,141,1,1
3req_B_,108,112,1,1
3req_B_,109,113,1,1
3req_B_,110,114,1,1
3req_B_,111,115,1,1
3req_B_,113,116,1,1
3req_B_,113,118,1,1
3req_B_,121,148,1,1
3req_B_,121,150,1,1
3req_B_,123,150,1,1
3req_B_,123,152,1,1
3req_B_,124,126,1,1
3req_B_,124,128,1,1
3req_B_,125,152,1,1
3req_B_,125,153,1,1
3req_B_,126,129,1,1
3req_B_,126,153,1,1
3req_B_,126,154,1,1
3req_B_,126,155,1,1
3req_B_,131,134,1,1
3req_B_,134,138,1,1
3req_B_,136,139,1,1
3req_B_,136,140,1,1
3req_B_,137,140,1,1
3req_B_,143,147,1,1
3req_B_,148,181,1,1
3req_B_,148,215,1,1
3req_B_,149,181,1,1
3req_B_,151,181,1,1
3req_B_,153,156,1,1
3req_B_,153,157,1,1
3req_B_,154,193,1,1
3req_B_,155,468,1,1
3req_B_,156,158,1,1
3req_B_,157,185,1,1
3req_B_,159,163,1,1
3req_B_,160,163,1,1
3req_B_,160,164,1,1
3req_B_,162,166,1,1
3req_B_,162,208,1,1
3req_B_,164,168,1,1
3req_B_,165,169,1,1
3req_B_,166,170,1,1
3req_B_,168,171,1,1
3req_B_,168,179,1,1
3req_B_,169,208,1,1
3req_B_,169,211,1,1
3req_B_,178,213,1,1
3req_B_,180,217,1,1
3req_B_,182,217,1,1
3req_B_,183,218,1,1
3req_B_,184,218,1,1
3req_B_,184,220,1,1
3req_B_,185,188,1,1
3req_B_,185,189,1,1
3req_B_,185,222,1,1
3req_B_,185,247,1,1
3req_B_,186,190,1,1
3req_B_,187,191,1,1
3req_B_,187,247,1,1
3req_B_,188,192,1,1
3req_B_,189,193,1,1
3req_B_,190,194,1,1
3req_B_,191,473,1,1
3req_B_,192,470,1,1
3req_B_,193,471,1,1
3req_B_,193,472,1,1
3req_B_,198,200,1,1
3req_B_,199,254,1,1
3req_B_,202,206,1,1
3req_B_,203,207,1,1
3req_B_,205,208,1,1
3req_B_,205,209,1,1
3req_B_,207,254,1,1
3req_B_,213,216,1,1
3req_B_,217,263,1,1
3req_B_,218,264,1,1
3req_B_,219,264,1,1
3req_B_,219,266,1,1
3req_B_,221,266,1,1
3req_B_,221,268,1,1
3req_B_,222,268,1,1
3req_B_,223,268,1,1
3req_B_,224,228,1,1
3req_B_,224,270,1,1
3req_B_,225,229,1,1
3req_B_,225,475,1,1
3req_B_,226,230,1,1
3req_B_,226,231,1,1
3req_B_,227,312,1,1
3req_B_,227,314,1,1
3req_B_,229,431,1,1
3req_B_,230,434,1,1
3req_B_,231,314,1,1
3req_B_,232,236,1,1
3req_B_,233,237,1,1
3req_B_,233,281,1,1
3req_B_,234,238,1,1
3req_B_,236,270,1,1
3req_B_,237,241,1,1
3req_B_,238,242,1,1
3req_B_,239,243,1,1
3req_B_,240,244,1,1
3req_B_,241,245,1,1
3req_B_,244,247,1,1
3req_B_,244,248,1,1
3req_B_,245,249,1,1
3req_B_,246,250,1,1
3req_B_,246,414,1,1
3req_B_,247,251,1,1
3req_B_,248,252,1,1
3req_B_,249,252,1,1
3req_B_,249,253,1,1
3req_B_,249,409,1,1
3req_B_,250,254,1,1
3req_B_,257,260,1,1
3req_B_,257,261,1,1
3req_B_,260,263,1,1
3req_B_,261,264,1,1
3req_B_,262,306,1,1
3req_B_,263,302,1,1
3req_B_,266,306,1,1
3req_B_,267,306,1,1
3req_B_,267,308,1,1
3req_B_,269,308,1,1
3req_B_,269,310,1,1
3req_B_,270,281,1,1
3req_B_,271,310,1,1
3req_B_,271,312,1,1
3req_B_,272,274,1,1
3req_B_,272,278,1,1
3req_B_,273,315,1,1
3req_B_,274,277,1,1
3req_B_,274,278,1,1
3req_B_,275,279,1,1
3req_B_,276,280,1,1
3req_B_,277,281,1,1
3req_B_,278,282,1,1
3req_B_,279,283,1,1
3req_B_,280,284,1,1
3req_B_,281,285,1,1
3req_B_,283,391,1,1
3req_B_,284,288,1,1
3req_B_,286,289,1,1
3req_B_,286,290,1,1
3req_B_,286,338,1,1
3req_B_,287,290,1,1
3req_B_,287,395,1,1
3req_B_,289,293,1,1
3req_B_,290,294,1,1
3req_B_,291,294,1,1
3req_B_,291,295,1,1
3req_B_,292,296,1,1
3req_B_,293,297,1,1
3req_B_,298,303,1,1
3req_B_,299,302,1,1
3req_B_,307,341,1,1
3req_B_,308,342,1,1
3req_B_,309,342,1,1
3req_B_,309,344,1,1
3req_B_,311,344,1,1
3req_B_,311,346,1,1
3req_B_,313,316,1,1
3req_B_,314,478,1,1
3req_B_,316,477,1,1
3req_B_,317,319,1,1
3req_B_,317,324,1,1
3req_B_,318,319,1,1
3req_B_,318,483,1,1
3req_B_,318,487,1,1
3req_B_,321,324,1,1
3req_B_,323,327,1,1
3req_B_,324,327,1,1
3req_B_,324,328,1,1
3req_B_,324,348,1,1
3req_B_,325,329,1,1
3req_B_,326,330,1,1
3req_B_,327,331,1,1
3req_B_,328,332,1,1
3req_B_,329,333,1,1
3req_B_,330,334,1,1
3req_B_,331,335,1,1
3req_B_,332,336,1,1
3req_B_,332,345,1,1
3req_B_,333,336,1,1
3req_B_,333,337,1,1
3req_B_,335,340,1,1
3req_B_,336,339,1,1
3req_B_,349,353,1,1
3req_B_,354,462,1,1
3req_B_,358,362,1,1
3req_B_,358,365,1,1
3req_B_,359,362,1,1
3req_B_,359,363,1,1
3req_B_,360,364,1,1
3req_B_,361,365,1,1
3req_B_,362,366,1,1
3req_B_,363,367,1,1
3req_B_,364,367,1,1
3req_B_,365,369,1,1
3req_B_,366,370,1,1
3req_B_,367,371,1,1
3req_B_,368,372,1,1
3req_B_,369,373,1,1
3req_B_,370,374,1,1
3req_B_,370,375,1,1
3req_B_,371,376,1,1
3req_B_,371,377,1,1
3req_B_,386,391,1,1
3req_B_,387,391,1,1
3req_B_,388,392,1,1
3req_B_,389,393,1,1
3req_B_,390,394,1,1
3req_B_,391,395,1,1
3req_B_,392,396,1,1
3req_B_,393,397,1,1
3req_B_,394,398,1,1
3req_B_,395,399,1,1
3req_B_,396,400,1,1
3req_B_,397,401,1,1
3req_B_,398,402,1,1
3req_B_,399,403,1,1
3req_B_,400,404,1,1
3req_B_,401,405,1,1
3req_B_,402,405,1,1
3req_B_,402,406,1,1
3req_B_,403,407,1,1
3req_B_,404,408,1,1
3req_B_,405,409,1,1
3req_B_,406,410,1,1
3req_B_,407,410,1,1
3req_B_,408,413,1,1
3req_B_,411,413,1,1
3req_B_,413,417,1,1
3req_B_,414,418,1,1
3req_B_,415,419,1,1
3req_B_,416,420,1,1
3req_B_,417,422,1,1
3req_B_,417,423,1,1
3req_B_,420,421,1,1
3req_B_,421,425,1,1
3req_B_,422,426,1,1
3req_B_,423,427,1,1
3req_B_,424,428,1,1
3req_B_,426,430,1,1
3req_B_,427,431,1,1
3req_B_,428,432,1,1
3req_B_,429,433,1,1
3req_B_,430,434,1,1
3req_B_,431,435,1,1
3req_B_,432,436,1,1
3req_B_,433,437,1,1
3req_B_,434,438,1,1
3req_B_,435,439,1,1
3req_B_,436,439,1,1
3req_B_,436,440,1,1
3req_B_,437,441,1,1
3req_B_,437,442,1,1
3req_B_,437,443,1,1
3req_B_,439,606,1,1
3req_B_,440,442,1,1
3req_B_,441,449,1,1
3req_B_,445,448,1,1
3req_B_,447,450,1,1
3req_B_,458,459,1,1
3req_B_,470,473,1,1
3req_B_,476,480,1,1
3req_B_,477,480,1,1
3req_B_,477,483,1,1
3req_B_,479,483,1,1
3req_B_,480,484,1,1
3req_B_,482,486,1,1
3req_B_,483,486,1,1
3req_B_,483,487,1,1
3req_B_,484,488,1,1
3req_B_,485,489,1,1
3req_B_,486,490,1,1
3req_B_,487,490,1,1
3req_B_,487,491,1,1
3req_B_,488,491,1,1
3req_B_,488,611,1,1
3req_B_,488,615,1,1
3req_B_,488,619,1,1
3req_B_,489,523,1,1
3req_B_,496,526,1,1
3req_B_,498,526,1,1
3req_B_,499,547,1,1
3req_B_,499,549,1,1
3req_B_,500,528,1,1
3req_B_,501,549,1,1
3req_B_,501,551,1,1
3req_B_,503,551,1,1
3req_B_,503,552,1,1
3req_B_,505,508,1,1
3req_B_,505,509,1,1
3req_B_,506,510,1,1
3req_B_,508,553,1,1
3req_B_,509,512,1,1
3req_B_,509,513,1,1
3req_B_,510,514,1,1
3req_B_,512,515,1,1
3req_B_,512,516,1,1
3req_B_,512,552,1,1
3req_B_,512,584,1,1
3req_B_,513,516,1,1
3req_B_,513,517,1,1
3req_B_,513,529,1,1
3req_B_,516,519,1,1
3req_B_,516,551,1,1
3req_B_,516,579,1,1
3req_B_,517,521,1,1
3req_B_,520,523,1,1
3req_B_,520,525,1,1
3req_B_,520,549,1,1
3req_B_,521,527,1,1
3req_B_,535,539,1,1
3req_B_,537,540,1,1
3req_B_,537,541,1,1
3req_B_,539,543,1,1
3req_B_,540,543,1,1
3req_B_,543,545,1,1
3req_B_,546,574,1,1
3req_B_,546,617,1,1
3req_B_,548,577,1,1
3req_B_,549,551,1,1
3req_B_,549,579,1,1
3req_B_,550,557,1,1
3req_B_,550,577,1,1
3req_B_,550,579,1,1
3req_B_,551,579,1,1
3req_B_,552,557,1,1
3req_B_,553,557,1,1
3req_B_,554,557,1,1
3req_B_,554,558,1,1
3req_B_,556,560,1,1
3req_B_,557,561,1,1
3req_B_,557,579,1,1
3req_B_,561,565,1,1
3req_B_,562,566,1,1
3req_B_,563,567,1,1
3req_B_,564,568,1,1
3req_B_,565,569,1,1
3req_B_,576,597,1,1
3req_B_,577,612,1,1
3req_B_,578,598,1,1
3req_B_,578,600,1,1
3req_B_,580,599,1,1
3req_B_,580,600,1,1
3req_B_,581,584,1,1
3req_B_,582,585,1,1
3req_B_,585,587,1,1
3req_B_,588,591,1,1
3req_B_,588,592,1,1
3req_B_,592,596,1,1
3req_B_,601,604,1,1
3req_B_,605,608,1,1
3req_B_,606,610,1,1
3req_B_,607,611,1,1
3req_B_,608,611,1,1
3req_B_,608,612,1,1
3req_B_,609,613,1,1
3req_B_,610,614,1,1
3req_B_,611,615,1,1
3req_B_,612,616,1,1
3req_B_,614,617,1,1
3req_B_,614,618,1,1