pair,contact1,contact2,flow1,flow2 2vf1_A_,1,4,1,1 2vf1_A_,2,5,1,1 2vf1_A_,8,11,1,1 2vf1_A_,8,12,1,1 2vf1_A_,9,12,1,1 2vf1_A_,9,13,1,1 2vf1_A_,11,14,1,1 2vf1_A_,12,15,1,1 2vf1_A_,21,23,1,1 2vf1_A_,23,26,1,1 2vf1_A_,24,133,1,1 2vf1_A_,25,417,1,1 2vf1_A_,28,30,1,1 2vf1_A_,28,53,1,1 2vf1_A_,30,51,1,1 2vf1_A_,32,49,1,1 2vf1_A_,34,35,1,1 2vf1_A_,34,47,1,1 2vf1_A_,36,45,1,1 2vf1_A_,36,46,1,1 2vf1_A_,37,39,1,1 2vf1_A_,37,40,1,1 2vf1_A_,46,47,1,1 2vf1_A_,52,417,1,1 2vf1_A_,53,414,1,1 2vf1_A_,54,415,1,1 2vf1_A_,55,136,1,1 2vf1_A_,56,462,1,1 2vf1_A_,57,204,1,1 2vf1_A_,57,413,1,1 2vf1_A_,58,413,1,1 2vf1_A_,59,204,1,1 2vf1_A_,59,206,1,1 2vf1_A_,60,144,1,1 2vf1_A_,60,411,1,1 2vf1_A_,61,206,1,1 2vf1_A_,61,208,1,1 2vf1_A_,62,408,1,1 2vf1_A_,62,409,1,1 2vf1_A_,63,115,1,1 2vf1_A_,63,208,1,1 2vf1_A_,63,210,1,1 2vf1_A_,64,406,1,1 2vf1_A_,65,213,1,1 2vf1_A_,66,68,1,1 2vf1_A_,66,402,1,1 2vf1_A_,66,403,1,1 2vf1_A_,66,404,1,1 2vf1_A_,68,70,1,1 2vf1_A_,70,332,1,1 2vf1_A_,71,75,1,1 2vf1_A_,72,75,1,1 2vf1_A_,75,79,1,1 2vf1_A_,75,507,1,1 2vf1_A_,76,80,1,1 2vf1_A_,77,81,1,1 2vf1_A_,78,82,1,1 2vf1_A_,78,330,1,1 2vf1_A_,79,83,1,1 2vf1_A_,80,84,1,1 2vf1_A_,81,85,1,1 2vf1_A_,82,86,1,1 2vf1_A_,83,87,1,1 2vf1_A_,83,516,1,1 2vf1_A_,84,88,1,1 2vf1_A_,85,89,1,1 2vf1_A_,85,98,1,1 2vf1_A_,86,90,1,1 2vf1_A_,87,90,1,1 2vf1_A_,88,91,1,1 2vf1_A_,88,92,1,1 2vf1_A_,89,92,1,1 2vf1_A_,90,91,1,1 2vf1_A_,96,99,1,1 2vf1_A_,98,267,1,1 2vf1_A_,100,103,1,1 2vf1_A_,100,104,1,1 2vf1_A_,101,105,1,1 2vf1_A_,102,106,1,1 2vf1_A_,103,107,1,1 2vf1_A_,104,108,1,1 2vf1_A_,105,109,1,1 2vf1_A_,106,110,1,1 2vf1_A_,107,111,1,1 2vf1_A_,108,112,1,1 2vf1_A_,109,113,1,1 2vf1_A_,110,114,1,1 2vf1_A_,111,115,1,1 2vf1_A_,111,182,1,1 2vf1_A_,112,115,1,1 2vf1_A_,112,116,1,1 2vf1_A_,113,117,1,1 2vf1_A_,114,118,1,1 2vf1_A_,115,119,1,1 2vf1_A_,116,120,1,1 2vf1_A_,117,121,1,1 2vf1_A_,118,122,1,1 2vf1_A_,119,123,1,1 2vf1_A_,119,209,1,1 2vf1_A_,120,124,1,1 2vf1_A_,121,124,1,1 2vf1_A_,121,125,1,1 2vf1_A_,122,126,1,1 2vf1_A_,124,127,1,1 2vf1_A_,124,157,1,1 2vf1_A_,125,289,1,1 2vf1_A_,126,129,1,1 2vf1_A_,127,128,1,1 2vf1_A_,128,157,1,1 2vf1_A_,129,131,1,1 2vf1_A_,131,134,1,1 2vf1_A_,134,136,1,1 2vf1_A_,134,137,1,1 2vf1_A_,134,200,1,1 2vf1_A_,136,415,1,1 2vf1_A_,139,142,1,1 2vf1_A_,139,151,1,1 2vf1_A_,140,144,1,1 2vf1_A_,140,430,1,1 2vf1_A_,141,146,1,1 2vf1_A_,142,148,1,1 2vf1_A_,146,239,1,1 2vf1_A_,147,239,1,1 2vf1_A_,149,152,1,1 2vf1_A_,149,153,1,1 2vf1_A_,149,239,1,1 2vf1_A_,150,154,1,1 2vf1_A_,151,155,1,1 2vf1_A_,152,156,1,1 2vf1_A_,152,160,1,1 2vf1_A_,153,156,1,1 2vf1_A_,154,157,1,1 2vf1_A_,156,160,1,1 2vf1_A_,157,161,1,1 2vf1_A_,158,162,1,1 2vf1_A_,159,163,1,1 2vf1_A_,160,164,1,1 2vf1_A_,160,242,1,1 2vf1_A_,161,165,1,1 2vf1_A_,162,166,1,1 2vf1_A_,163,167,1,1 2vf1_A_,164,168,1,1 2vf1_A_,165,169,1,1 2vf1_A_,165,283,1,1 2vf1_A_,166,169,1,1 2vf1_A_,166,170,1,1 2vf1_A_,167,171,1,1 2vf1_A_,169,282,1,1 2vf1_A_,170,173,1,1 2vf1_A_,171,174,1,1 2vf1_A_,172,269,1,1 2vf1_A_,176,278,1,1 2vf1_A_,178,276,1,1 2vf1_A_,180,183,1,1 2vf1_A_,181,185,1,1 2vf1_A_,182,186,1,1 2vf1_A_,182,513,1,1 2vf1_A_,183,187,1,1 2vf1_A_,184,188,1,1 2vf1_A_,185,189,1,1 2vf1_A_,185,300,1,1 2vf1_A_,185,405,1,1 2vf1_A_,186,190,1,1 2vf1_A_,188,191,1,1 2vf1_A_,188,294,1,1 2vf1_A_,193,292,1,1 2vf1_A_,194,205,1,1 2vf1_A_,195,292,1,1 2vf1_A_,196,197,1,1 2vf1_A_,196,203,1,1 2vf1_A_,196,464,1,1 2vf1_A_,199,202,1,1 2vf1_A_,205,464,1,1 2vf1_A_,209,231,1,1 2vf1_A_,210,228,1,1 2vf1_A_,210,231,1,1 2vf1_A_,210,408,1,1 2vf1_A_,212,229,1,1 2vf1_A_,214,227,1,1 2vf1_A_,216,225,1,1 2vf1_A_,219,222,1,1 2vf1_A_,226,322,1,1 2vf1_A_,228,321,1,1 2vf1_A_,230,408,1,1 2vf1_A_,237,239,1,1 2vf1_A_,240,243,1,1 2vf1_A_,241,244,1,1 2vf1_A_,241,245,1,1 2vf1_A_,242,246,1,1 2vf1_A_,244,248,1,1 2vf1_A_,245,249,1,1 2vf1_A_,247,251,1,1 2vf1_A_,248,252,1,1 2vf1_A_,249,252,1,1 2vf1_A_,249,253,1,1 2vf1_A_,250,254,1,1 2vf1_A_,251,255,1,1 2vf1_A_,252,256,1,1 2vf1_A_,253,257,1,1 2vf1_A_,254,257,1,1 2vf1_A_,256,262,1,1 2vf1_A_,260,264,1,1 2vf1_A_,261,264,1,1 2vf1_A_,261,265,1,1 2vf1_A_,262,266,1,1 2vf1_A_,263,267,1,1 2vf1_A_,264,268,1,1 2vf1_A_,265,269,1,1 2vf1_A_,266,270,1,1 2vf1_A_,268,271,1,1 2vf1_A_,268,272,1,1 2vf1_A_,273,276,1,1 2vf1_A_,274,277,1,1 2vf1_A_,284,287,1,1 2vf1_A_,286,288,1,1 2vf1_A_,294,297,1,1 2vf1_A_,294,298,1,1 2vf1_A_,295,299,1,1 2vf1_A_,296,300,1,1 2vf1_A_,296,375,1,1 2vf1_A_,297,301,1,1 2vf1_A_,298,302,1,1 2vf1_A_,299,303,1,1 2vf1_A_,300,304,1,1 2vf1_A_,300,374,1,1 2vf1_A_,301,304,1,1 2vf1_A_,302,361,1,1 2vf1_A_,302,363,1,1 2vf1_A_,302,468,1,1 2vf1_A_,303,361,1,1 2vf1_A_,304,437,1,1 2vf1_A_,305,378,1,1 2vf1_A_,305,380,1,1 2vf1_A_,306,437,1,1 2vf1_A_,307,309,1,1 2vf1_A_,307,407,1,1 2vf1_A_,308,408,1,1 2vf1_A_,309,438,1,1 2vf1_A_,310,312,1,1 2vf1_A_,310,313,1,1 2vf1_A_,310,315,1,1 2vf1_A_,310,438,1,1 2vf1_A_,310,454,1,1 2vf1_A_,311,436,1,1 2vf1_A_,312,341,1,1 2vf1_A_,314,339,1,1 2vf1_A_,318,320,1,1 2vf1_A_,318,335,1,1 2vf1_A_,319,335,1,1 2vf1_A_,323,331,1,1 2vf1_A_,325,327,1,1 2vf1_A_,325,328,1,1 2vf1_A_,325,329,1,1 2vf1_A_,334,399,1,1 2vf1_A_,336,397,1,1 2vf1_A_,338,395,1,1 2vf1_A_,339,340,1,1 2vf1_A_,339,343,1,1 2vf1_A_,339,346,1,1 2vf1_A_,340,342,1,1 2vf1_A_,340,346,1,1 2vf1_A_,340,350,1,1 2vf1_A_,343,346,1,1 2vf1_A_,345,394,1,1 2vf1_A_,347,350,1,1 2vf1_A_,348,391,1,1 2vf1_A_,351,451,1,1 2vf1_A_,356,358,1,1 2vf1_A_,357,499,1,1 2vf1_A_,358,380,1,1 2vf1_A_,358,497,1,1 2vf1_A_,359,470,1,1 2vf1_A_,360,495,1,1 2vf1_A_,361,492,1,1 2vf1_A_,362,364,1,1 2vf1_A_,362,493,1,1 2vf1_A_,363,492,1,1 2vf1_A_,368,372,1,1 2vf1_A_,369,373,1,1 2vf1_A_,370,374,1,1 2vf1_A_,371,375,1,1 2vf1_A_,372,376,1,1 2vf1_A_,373,376,1,1 2vf1_A_,376,379,1,1 2vf1_A_,379,506,1,1 2vf1_A_,381,400,1,1 2vf1_A_,381,401,1,1 2vf1_A_,383,398,1,1 2vf1_A_,385,396,1,1 2vf1_A_,390,393,1,1 2vf1_A_,402,403,1,1 2vf1_A_,410,435,1,1 2vf1_A_,412,433,1,1 2vf1_A_,414,431,1,1 2vf1_A_,414,459,1,1 2vf1_A_,416,429,1,1 2vf1_A_,418,427,1,1 2vf1_A_,423,426,1,1 2vf1_A_,424,427,1,1 2vf1_A_,433,457,1,1 2vf1_A_,436,456,1,1 2vf1_A_,437,468,1,1 2vf1_A_,437,470,1,1 2vf1_A_,439,440,1,1 2vf1_A_,439,454,1,1 2vf1_A_,439,470,1,1 2vf1_A_,439,472,1,1 2vf1_A_,441,472,1,1 2vf1_A_,443,455,1,1 2vf1_A_,444,446,1,1 2vf1_A_,444,455,1,1 2vf1_A_,446,448,1,1 2vf1_A_,450,453,1,1 2vf1_A_,457,460,1,1 2vf1_A_,458,461,1,1 2vf1_A_,459,462,1,1 2vf1_A_,460,463,1,1 2vf1_A_,463,466,1,1 2vf1_A_,469,488,1,1 2vf1_A_,471,486,1,1 2vf1_A_,473,477,1,1 2vf1_A_,473,484,1,1 2vf1_A_,474,478,1,1 2vf1_A_,478,481,1,1 2vf1_A_,478,482,1,1 2vf1_A_,498,502,1,1 2vf1_A_,499,503,1,1 2vf1_A_,500,504,1,1 2vf1_A_,501,505,1,1 2vf1_A_,502,506,1,1 2vf1_A_,503,507,1,1 2vf1_A_,505,508,1,1 2vf1_A_,505,509,1,1 2vf1_A_,506,510,1,1 2vf1_A_,508,512,1,1 2vf1_A_,509,513,1,1 2vf1_A_,510,514,1,1 2vf1_A_,511,514,1,1 2vf1_A_,512,515,1,1 2vf1_A_,517,521,1,1 2vf1_A_,518,521,1,1