pair,contact1,contact2,flow1,flow2 1fwb_C_,4,8,1,1 1fwb_C_,5,9,1,1 1fwb_C_,5,16,1,1 1fwb_C_,6,10,1,1 1fwb_C_,7,11,1,1 1fwb_C_,8,11,1,1 1fwb_C_,8,12,1,1 1fwb_C_,8,41,1,1 1fwb_C_,9,13,1,1 1fwb_C_,12,82,1,1 1fwb_C_,14,82,1,1 1fwb_C_,15,16,1,1 1fwb_C_,15,18,1,1 1fwb_C_,15,34,1,1 1fwb_C_,15,38,1,1 1fwb_C_,17,31,1,1 1fwb_C_,18,31,1,1 1fwb_C_,19,30,1,1 1fwb_C_,20,29,1,1 1fwb_C_,21,25,1,1 1fwb_C_,22,25,1,1 1fwb_C_,22,27,1,1 1fwb_C_,23,435,1,1 1fwb_C_,24,558,1,1 1fwb_C_,24,561,1,1 1fwb_C_,25,27,1,1 1fwb_C_,26,377,1,1 1fwb_C_,26,380,1,1 1fwb_C_,28,394,1,1 1fwb_C_,30,395,1,1 1fwb_C_,32,80,1,1 1fwb_C_,32,395,1,1 1fwb_C_,32,399,1,1 1fwb_C_,33,34,1,1 1fwb_C_,33,82,1,1 1fwb_C_,34,36,1,1 1fwb_C_,35,82,1,1 1fwb_C_,36,37,1,1 1fwb_C_,37,40,1,1 1fwb_C_,37,106,1,1 1fwb_C_,39,41,1,1 1fwb_C_,40,97,1,1 1fwb_C_,40,104,1,1 1fwb_C_,42,71,1,1 1fwb_C_,43,49,1,1 1fwb_C_,43,50,1,1 1fwb_C_,43,121,1,1 1fwb_C_,45,48,1,1 1fwb_C_,48,51,1,1 1fwb_C_,49,51,1,1 1fwb_C_,49,55,1,1 1fwb_C_,51,54,1,1 1fwb_C_,51,56,1,1 1fwb_C_,52,58,1,1 1fwb_C_,53,56,1,1 1fwb_C_,53,100,1,1 1fwb_C_,54,100,1,1 1fwb_C_,57,111,1,1 1fwb_C_,60,63,1,1 1fwb_C_,60,64,1,1 1fwb_C_,61,64,1,1 1fwb_C_,62,88,1,1 1fwb_C_,65,110,1,1 1fwb_C_,65,115,1,1 1fwb_C_,66,87,1,1 1fwb_C_,66,89,1,1 1fwb_C_,66,116,1,1 1fwb_C_,67,87,1,1 1fwb_C_,68,116,1,1 1fwb_C_,68,118,1,1 1fwb_C_,69,85,1,1 1fwb_C_,70,118,1,1 1fwb_C_,70,120,1,1 1fwb_C_,70,121,1,1 1fwb_C_,71,84,1,1 1fwb_C_,71,121,1,1 1fwb_C_,72,83,1,1 1fwb_C_,73,123,1,1 1fwb_C_,73,125,1,1 1fwb_C_,74,81,1,1 1fwb_C_,75,125,1,1 1fwb_C_,76,79,1,1 1fwb_C_,76,422,1,1 1fwb_C_,77,423,1,1 1fwb_C_,77,525,1,1 1fwb_C_,84,96,1,1 1fwb_C_,84,98,1,1 1fwb_C_,86,93,1,1 1fwb_C_,86,94,1,1 1fwb_C_,88,91,1,1 1fwb_C_,90,428,1,1 1fwb_C_,91,418,1,1 1fwb_C_,91,425,1,1 1fwb_C_,92,425,1,1 1fwb_C_,92,426,1,1 1fwb_C_,97,98,1,1 1fwb_C_,97,108,1,1 1fwb_C_,97,109,1,1 1fwb_C_,99,109,1,1 1fwb_C_,99,111,1,1 1fwb_C_,100,102,1,1 1fwb_C_,100,103,1,1 1fwb_C_,100,104,1,1 1fwb_C_,112,115,1,1 1fwb_C_,116,117,1,1 1fwb_C_,120,123,1,1 1fwb_C_,124,433,1,1 1fwb_C_,126,127,1,1 1fwb_C_,126,431,1,1 1fwb_C_,126,433,1,1 1fwb_C_,128,429,1,1 1fwb_C_,129,149,1,1 1fwb_C_,129,151,1,1 1fwb_C_,129,152,1,1 1fwb_C_,130,405,1,1 1fwb_C_,131,133,1,1 1fwb_C_,131,152,1,1 1fwb_C_,131,154,1,1 1fwb_C_,131,357,1,1 1fwb_C_,133,358,1,1 1fwb_C_,134,154,1,1 1fwb_C_,134,156,1,1 1fwb_C_,135,137,1,1 1fwb_C_,135,141,1,1 1fwb_C_,135,164,1,1 1fwb_C_,135,359,1,1 1fwb_C_,136,156,1,1 1fwb_C_,138,141,1,1 1fwb_C_,139,142,1,1 1fwb_C_,140,144,1,1 1fwb_C_,141,145,1,1 1fwb_C_,141,359,1,1 1fwb_C_,141,360,1,1 1fwb_C_,142,146,1,1 1fwb_C_,143,147,1,1 1fwb_C_,144,148,1,1 1fwb_C_,145,148,1,1 1fwb_C_,145,149,1,1 1fwb_C_,145,150,1,1 1fwb_C_,146,149,1,1 1fwb_C_,151,189,1,1 1fwb_C_,152,189,1,1 1fwb_C_,153,189,1,1 1fwb_C_,153,191,1,1 1fwb_C_,155,191,1,1 1fwb_C_,155,193,1,1 1fwb_C_,157,170,1,1 1fwb_C_,158,164,1,1 1fwb_C_,159,161,1,1 1fwb_C_,161,165,1,1 1fwb_C_,162,166,1,1 1fwb_C_,162,319,1,1 1fwb_C_,163,167,1,1 1fwb_C_,167,169,1,1 1fwb_C_,167,220,1,1 1fwb_C_,170,193,1,1 1fwb_C_,172,176,1,1 1fwb_C_,172,207,1,1 1fwb_C_,173,177,1,1 1fwb_C_,174,178,1,1 1fwb_C_,175,179,1,1 1fwb_C_,176,180,1,1 1fwb_C_,177,181,1,1 1fwb_C_,178,181,1,1 1fwb_C_,178,182,1,1 1fwb_C_,179,183,1,1 1fwb_C_,181,184,1,1 1fwb_C_,181,503,1,1 1fwb_C_,182,185,1,1 1fwb_C_,183,186,1,1 1fwb_C_,184,482,1,1 1fwb_C_,184,506,1,1 1fwb_C_,184,507,1,1 1fwb_C_,186,486,1,1 1fwb_C_,188,486,1,1 1fwb_C_,189,429,1,1 1fwb_C_,189,447,1,1 1fwb_C_,189,487,1,1 1fwb_C_,190,487,1,1 1fwb_C_,190,489,1,1 1fwb_C_,192,213,1,1 1fwb_C_,194,214,1,1 1fwb_C_,195,207,1,1 1fwb_C_,196,198,1,1 1fwb_C_,197,217,1,1 1fwb_C_,197,221,1,1 1fwb_C_,198,229,1,1 1fwb_C_,200,203,1,1 1fwb_C_,201,204,1,1 1fwb_C_,201,205,1,1 1fwb_C_,202,205,1,1 1fwb_C_,202,206,1,1 1fwb_C_,203,207,1,1 1fwb_C_,204,208,1,1 1fwb_C_,205,209,1,1 1fwb_C_,205,236,1,1 1fwb_C_,206,210,1,1 1fwb_C_,207,210,1,1 1fwb_C_,207,211,1,1 1fwb_C_,207,212,1,1 1fwb_C_,208,211,1,1 1fwb_C_,208,491,1,1 1fwb_C_,209,497,1,1 1fwb_C_,213,240,1,1 1fwb_C_,215,240,1,1 1fwb_C_,215,242,1,1 1fwb_C_,216,244,1,1 1fwb_C_,217,219,1,1 1fwb_C_,217,220,1,1 1fwb_C_,218,221,1,1 1fwb_C_,218,244,1,1 1fwb_C_,218,247,1,1 1fwb_C_,219,318,1,1 1fwb_C_,223,226,1,1 1fwb_C_,223,227,1,1 1fwb_C_,224,228,1,1 1fwb_C_,225,229,1,1 1fwb_C_,226,230,1,1 1fwb_C_,227,231,1,1 1fwb_C_,228,232,1,1 1fwb_C_,228,264,1,1 1fwb_C_,229,233,1,1 1fwb_C_,230,234,1,1 1fwb_C_,231,235,1,1 1fwb_C_,232,236,1,1 1fwb_C_,233,236,1,1 1fwb_C_,233,237,1,1 1fwb_C_,234,239,1,1 1fwb_C_,235,516,1,1 1fwb_C_,238,492,1,1 1fwb_C_,238,514,1,1 1fwb_C_,238,515,1,1 1fwb_C_,239,516,1,1 1fwb_C_,240,241,1,1 1fwb_C_,240,412,1,1 1fwb_C_,240,515,1,1 1fwb_C_,241,267,1,1 1fwb_C_,243,267,1,1 1fwb_C_,243,269,1,1 1fwb_C_,245,278,1,1 1fwb_C_,246,249,1,1 1fwb_C_,246,250,1,1 1fwb_C_,246,251,1,1 1fwb_C_,247,277,1,1 1fwb_C_,247,279,1,1 1fwb_C_,249,278,1,1 1fwb_C_,249,279,1,1 1fwb_C_,253,256,1,1 1fwb_C_,253,257,1,1 1fwb_C_,254,258,1,1 1fwb_C_,255,259,1,1 1fwb_C_,256,260,1,1 1fwb_C_,257,261,1,1 1fwb_C_,257,278,1,1 1fwb_C_,258,262,1,1 1fwb_C_,260,264,1,1 1fwb_C_,261,264,1,1 1fwb_C_,264,290,1,1 1fwb_C_,265,516,1,1 1fwb_C_,265,518,1,1 1fwb_C_,266,290,1,1 1fwb_C_,266,292,1,1 1fwb_C_,267,294,1,1 1fwb_C_,267,413,1,1 1fwb_C_,268,271,1,1 1fwb_C_,268,292,1,1 1fwb_C_,268,294,1,1 1fwb_C_,270,273,1,1 1fwb_C_,271,294,1,1 1fwb_C_,272,274,1,1 1fwb_C_,272,336,1,1 1fwb_C_,272,339,1,1 1fwb_C_,273,276,1,1 1fwb_C_,274,334,1,1 1fwb_C_,278,282,1,1 1fwb_C_,281,284,1,1 1fwb_C_,282,285,1,1 1fwb_C_,283,286,1,1 1fwb_C_,284,287,1,1 1fwb_C_,285,288,1,1 1fwb_C_,287,529,1,1 1fwb_C_,288,291,1,1 1fwb_C_,289,520,1,1 1fwb_C_,293,353,1,1 1fwb_C_,293,354,1,1 1fwb_C_,295,343,1,1 1fwb_C_,295,354,1,1 1fwb_C_,295,356,1,1 1fwb_C_,297,300,1,1 1fwb_C_,297,357,1,1 1fwb_C_,297,364,1,1 1fwb_C_,297,371,1,1 1fwb_C_,299,343,1,1 1fwb_C_,300,371,1,1 1fwb_C_,302,337,1,1 1fwb_C_,302,344,1,1 1fwb_C_,302,553,1,1 1fwb_C_,303,306,1,1 1fwb_C_,304,553,1,1 1fwb_C_,305,309,1,1 1fwb_C_,306,310,1,1 1fwb_C_,307,310,1,1 1fwb_C_,309,364,1,1 1fwb_C_,310,314,1,1 1fwb_C_,311,315,1,1 1fwb_C_,312,316,1,1 1fwb_C_,313,317,1,1 1fwb_C_,314,318,1,1 1fwb_C_,315,318,1,1 1fwb_C_,315,320,1,1 1fwb_C_,318,334,1,1 1fwb_C_,321,323,1,1 1fwb_C_,321,324,1,1 1fwb_C_,321,327,1,1 1fwb_C_,324,327,1,1 1fwb_C_,324,328,1,1 1fwb_C_,325,329,1,1 1fwb_C_,326,330,1,1 1fwb_C_,327,331,1,1 1fwb_C_,328,332,1,1 1fwb_C_,329,333,1,1 1fwb_C_,330,333,1,1 1fwb_C_,331,334,1,1 1fwb_C_,332,335,1,1 1fwb_C_,336,339,1,1 1fwb_C_,336,340,1,1 1fwb_C_,337,341,1,1 1fwb_C_,338,342,1,1 1fwb_C_,339,343,1,1 1fwb_C_,341,550,1,1 1fwb_C_,342,346,1,1 1fwb_C_,343,347,1,1 1fwb_C_,344,347,1,1 1fwb_C_,344,348,1,1 1fwb_C_,345,349,1,1 1fwb_C_,346,351,1,1 1fwb_C_,346,352,1,1 1fwb_C_,347,350,1,1 1fwb_C_,347,354,1,1 1fwb_C_,347,404,1,1 1fwb_C_,348,383,1,1 1fwb_C_,348,397,1,1 1fwb_C_,348,400,1,1 1fwb_C_,348,401,1,1 1fwb_C_,350,528,1,1 1fwb_C_,351,520,1,1 1fwb_C_,353,408,1,1 1fwb_C_,353,526,1,1 1fwb_C_,355,372,1,1 1fwb_C_,355,404,1,1 1fwb_C_,357,359,1,1 1fwb_C_,358,361,1,1 1fwb_C_,360,363,1,1 1fwb_C_,364,367,1,1 1fwb_C_,367,371,1,1 1fwb_C_,368,372,1,1 1fwb_C_,369,373,1,1 1fwb_C_,370,374,1,1 1fwb_C_,371,375,1,1 1fwb_C_,372,376,1,1 1fwb_C_,373,377,1,1 1fwb_C_,373,405,1,1 1fwb_C_,374,378,1,1 1fwb_C_,374,557,1,1 1fwb_C_,375,379,1,1 1fwb_C_,376,380,1,1 1fwb_C_,377,381,1,1 1fwb_C_,378,382,1,1 1fwb_C_,378,551,1,1 1fwb_C_,379,383,1,1 1fwb_C_,380,384,1,1 1fwb_C_,380,394,1,1 1fwb_C_,382,551,1,1 1fwb_C_,384,397,1,1 1fwb_C_,386,389,1,1 1fwb_C_,388,400,1,1 1fwb_C_,389,396,1,1 1fwb_C_,389,397,1,1 1fwb_C_,390,393,1,1 1fwb_C_,394,398,1,1 1fwb_C_,395,399,1,1 1fwb_C_,396,400,1,1 1fwb_C_,397,401,1,1 1fwb_C_,398,402,1,1 1fwb_C_,399,403,1,1 1fwb_C_,400,525,1,1 1fwb_C_,400,526,1,1 1fwb_C_,401,404,1,1 1fwb_C_,402,405,1,1 1fwb_C_,402,406,1,1 1fwb_C_,403,406,1,1 1fwb_C_,403,408,1,1 1fwb_C_,404,526,1,1 1fwb_C_,406,410,1,1 1fwb_C_,407,411,1,1 1fwb_C_,408,412,1,1 1fwb_C_,408,524,1,1 1fwb_C_,409,413,1,1 1fwb_C_,410,415,1,1 1fwb_C_,411,414,1,1 1fwb_C_,413,515,1,1 1fwb_C_,414,513,1,1 1fwb_C_,415,418,1,1 1fwb_C_,415,419,1,1 1fwb_C_,416,426,1,1 1fwb_C_,418,427,1,1 1fwb_C_,419,426,1,1 1fwb_C_,421,423,1,1 1fwb_C_,421,426,1,1 1fwb_C_,423,426,1,1 1fwb_C_,427,429,1,1 1fwb_C_,428,449,1,1 1fwb_C_,429,447,1,1 1fwb_C_,429,448,1,1 1fwb_C_,430,446,1,1 1fwb_C_,432,443,1,1 1fwb_C_,432,444,1,1 1fwb_C_,434,437,1,1 1fwb_C_,435,438,1,1 1fwb_C_,436,562,1,1 1fwb_C_,437,440,1,1 1fwb_C_,437,441,1,1 1fwb_C_,441,562,1,1 1fwb_C_,442,471,1,1 1fwb_C_,445,452,1,1 1fwb_C_,445,453,1,1 1fwb_C_,447,450,1,1 1fwb_C_,447,485,1,1 1fwb_C_,448,485,1,1 1fwb_C_,451,476,1,1 1fwb_C_,452,474,1,1 1fwb_C_,454,472,1,1 1fwb_C_,456,470,1,1 1fwb_C_,456,472,1,1 1fwb_C_,457,464,1,1 1fwb_C_,458,460,1,1 1fwb_C_,458,461,1,1 1fwb_C_,458,466,1,1 1fwb_C_,474,477,1,1 1fwb_C_,475,478,1,1 1fwb_C_,477,482,1,1 1fwb_C_,478,482,1,1 1fwb_C_,479,483,1,1 1fwb_C_,480,484,1,1 1fwb_C_,481,485,1,1 1fwb_C_,482,485,1,1 1fwb_C_,483,508,1,1 1fwb_C_,486,488,1,1 1fwb_C_,486,507,1,1 1fwb_C_,488,508,1,1 1fwb_C_,488,510,1,1 1fwb_C_,490,510,1,1 1fwb_C_,490,512,1,1 1fwb_C_,491,494,1,1 1fwb_C_,491,495,1,1 1fwb_C_,492,496,1,1 1fwb_C_,492,512,1,1 1fwb_C_,493,497,1,1 1fwb_C_,494,499,1,1 1fwb_C_,495,498,1,1 1fwb_C_,498,502,1,1 1fwb_C_,499,503,1,1 1fwb_C_,500,505,1,1 1fwb_C_,501,504,1,1 1fwb_C_,519,522,1,1 1fwb_C_,520,523,1,1 1fwb_C_,520,528,1,1 1fwb_C_,523,526,1,1 1fwb_C_,524,526,1,1 1fwb_C_,531,544,1,1 1fwb_C_,533,542,1,1 1fwb_C_,535,537,1,1 1fwb_C_,535,538,1,1 1fwb_C_,535,539,1,1 1fwb_C_,535,540,1,1 1fwb_C_,538,540,1,1 1fwb_C_,540,542,1,1 1fwb_C_,541,548,1,1 1fwb_C_,542,545,1,1 1fwb_C_,543,546,1,1 1fwb_C_,559,562,1,1