pair,contact1,contact2,flow1,flow2
4bfr_A_,1,5,1,1
4bfr_A_,1,497,1,1
4bfr_A_,2,6,1,1
4bfr_A_,4,8,1,1
4bfr_A_,5,9,1,1
4bfr_A_,5,10,1,1
4bfr_A_,7,476,1,1
4bfr_A_,10,14,1,1
4bfr_A_,10,485,1,1
4bfr_A_,11,14,1,1
4bfr_A_,13,17,1,1
4bfr_A_,16,19,1,1
4bfr_A_,16,27,1,1
4bfr_A_,20,22,1,1
4bfr_A_,20,24,1,1
4bfr_A_,21,25,1,1
4bfr_A_,22,26,1,1
4bfr_A_,23,27,1,1
4bfr_A_,24,28,1,1
4bfr_A_,25,29,1,1
4bfr_A_,25,257,1,1
4bfr_A_,26,30,1,1
4bfr_A_,27,31,1,1
4bfr_A_,27,493,1,1
4bfr_A_,30,34,1,1
4bfr_A_,31,35,1,1
4bfr_A_,32,36,1,1
4bfr_A_,34,494,1,1
4bfr_A_,35,39,1,1
4bfr_A_,36,40,1,1
4bfr_A_,37,40,1,1
4bfr_A_,37,463,1,1
4bfr_A_,38,41,1,1
4bfr_A_,38,42,1,1
4bfr_A_,45,48,1,1
4bfr_A_,47,50,1,1
4bfr_A_,47,51,1,1
4bfr_A_,49,52,1,1
4bfr_A_,49,53,1,1
4bfr_A_,50,54,1,1
4bfr_A_,52,463,1,1
4bfr_A_,57,139,1,1
4bfr_A_,59,137,1,1
4bfr_A_,59,142,1,1
4bfr_A_,64,69,1,1
4bfr_A_,65,69,1,1
4bfr_A_,66,70,1,1
4bfr_A_,71,74,1,1
4bfr_A_,75,92,1,1
4bfr_A_,77,90,1,1
4bfr_A_,78,151,1,1
4bfr_A_,78,153,1,1
4bfr_A_,79,88,1,1
4bfr_A_,80,81,1,1
4bfr_A_,80,153,1,1
4bfr_A_,80,155,1,1
4bfr_A_,93,96,1,1
4bfr_A_,94,136,1,1
4bfr_A_,96,135,1,1
4bfr_A_,97,100,1,1
4bfr_A_,98,101,1,1
4bfr_A_,98,102,1,1
4bfr_A_,99,103,1,1
4bfr_A_,100,103,1,1
4bfr_A_,100,104,1,1
4bfr_A_,101,105,1,1
4bfr_A_,102,106,1,1
4bfr_A_,103,107,1,1
4bfr_A_,105,109,1,1
4bfr_A_,106,110,1,1
4bfr_A_,107,111,1,1
4bfr_A_,108,111,1,1
4bfr_A_,108,112,1,1
4bfr_A_,109,118,1,1
4bfr_A_,116,158,1,1
4bfr_A_,117,158,1,1
4bfr_A_,119,156,1,1
4bfr_A_,120,129,1,1
4bfr_A_,121,128,1,1
4bfr_A_,121,154,1,1
4bfr_A_,122,125,1,1
4bfr_A_,122,127,1,1
4bfr_A_,123,152,1,1
4bfr_A_,124,564,1,1
4bfr_A_,126,562,1,1
4bfr_A_,134,137,1,1
4bfr_A_,138,142,1,1
4bfr_A_,139,143,1,1
4bfr_A_,140,144,1,1
4bfr_A_,140,152,1,1
4bfr_A_,141,145,1,1
4bfr_A_,142,146,1,1
4bfr_A_,143,147,1,1
4bfr_A_,145,148,1,1
4bfr_A_,147,149,1,1
4bfr_A_,157,160,1,1
4bfr_A_,157,161,1,1
4bfr_A_,158,162,1,1
4bfr_A_,159,163,1,1
4bfr_A_,160,164,1,1
4bfr_A_,161,165,1,1
4bfr_A_,162,166,1,1
4bfr_A_,163,167,1,1
4bfr_A_,165,169,1,1
4bfr_A_,166,170,1,1
4bfr_A_,168,172,1,1
4bfr_A_,169,173,1,1
4bfr_A_,170,174,1,1
4bfr_A_,172,175,1,1
4bfr_A_,177,180,1,1
4bfr_A_,180,230,1,1
4bfr_A_,182,229,1,1
4bfr_A_,183,185,1,1
4bfr_A_,184,225,1,1
4bfr_A_,184,227,1,1
4bfr_A_,186,223,1,1
4bfr_A_,187,222,1,1
4bfr_A_,187,302,1,1
4bfr_A_,188,221,1,1
4bfr_A_,189,219,1,1
4bfr_A_,189,300,1,1
4bfr_A_,190,300,1,1
4bfr_A_,192,298,1,1
4bfr_A_,193,297,1,1
4bfr_A_,196,243,1,1
4bfr_A_,197,214,1,1
4bfr_A_,198,241,1,1
4bfr_A_,199,211,1,1
4bfr_A_,199,212,1,1
4bfr_A_,200,239,1,1
4bfr_A_,201,208,1,1
4bfr_A_,202,237,1,1
4bfr_A_,203,206,1,1
4bfr_A_,208,380,1,1
4bfr_A_,215,219,1,1
4bfr_A_,215,221,1,1
4bfr_A_,228,231,1,1
4bfr_A_,229,232,1,1
4bfr_A_,230,231,1,1
4bfr_A_,236,253,1,1
4bfr_A_,238,251,1,1
4bfr_A_,239,250,1,1
4bfr_A_,240,249,1,1
4bfr_A_,242,246,1,1
4bfr_A_,242,247,1,1
4bfr_A_,248,270,1,1
4bfr_A_,248,272,1,1
4bfr_A_,250,282,1,1
4bfr_A_,250,285,1,1
4bfr_A_,250,286,1,1
4bfr_A_,252,261,1,1
4bfr_A_,253,261,1,1
4bfr_A_,255,257,1,1
4bfr_A_,255,258,1,1
4bfr_A_,255,259,1,1
4bfr_A_,258,313,1,1
4bfr_A_,260,311,1,1
4bfr_A_,263,303,1,1
4bfr_A_,264,302,1,1
4bfr_A_,265,301,1,1
4bfr_A_,267,299,1,1
4bfr_A_,268,290,1,1
4bfr_A_,269,290,1,1
4bfr_A_,269,297,1,1
4bfr_A_,270,288,1,1
4bfr_A_,276,807,1,1
4bfr_A_,278,281,1,1
4bfr_A_,286,288,1,1
4bfr_A_,315,318,1,1
4bfr_A_,315,319,1,1
4bfr_A_,316,320,1,1
4bfr_A_,317,321,1,1
4bfr_A_,318,322,1,1
4bfr_A_,319,323,1,1
4bfr_A_,320,324,1,1
4bfr_A_,322,326,1,1
4bfr_A_,323,327,1,1
4bfr_A_,324,328,1,1
4bfr_A_,330,361,1,1
4bfr_A_,332,336,1,1
4bfr_A_,335,339,1,1
4bfr_A_,336,340,1,1
4bfr_A_,337,340,1,1
4bfr_A_,337,341,1,1
4bfr_A_,338,341,1,1
4bfr_A_,341,351,1,1
4bfr_A_,341,372,1,1
4bfr_A_,342,344,1,1
4bfr_A_,342,345,1,1
4bfr_A_,342,813,1,1
4bfr_A_,344,346,1,1
4bfr_A_,348,351,1,1
4bfr_A_,348,352,1,1
4bfr_A_,349,353,1,1
4bfr_A_,351,355,1,1
4bfr_A_,352,356,1,1
4bfr_A_,353,357,1,1
4bfr_A_,354,357,1,1
4bfr_A_,354,358,1,1
4bfr_A_,356,359,1,1
4bfr_A_,357,360,1,1
4bfr_A_,358,362,1,1
4bfr_A_,359,363,1,1
4bfr_A_,360,361,1,1
4bfr_A_,360,364,1,1
4bfr_A_,361,365,1,1
4bfr_A_,362,366,1,1
4bfr_A_,362,369,1,1
4bfr_A_,366,369,1,1
4bfr_A_,367,395,1,1
4bfr_A_,368,402,1,1
4bfr_A_,369,373,1,1
4bfr_A_,370,374,1,1
4bfr_A_,371,411,1,1
4bfr_A_,373,376,1,1
4bfr_A_,374,379,1,1
4bfr_A_,381,385,1,1
4bfr_A_,382,386,1,1
4bfr_A_,383,387,1,1
4bfr_A_,384,388,1,1
4bfr_A_,385,389,1,1
4bfr_A_,386,390,1,1
4bfr_A_,389,392,1,1
4bfr_A_,389,393,1,1
4bfr_A_,389,413,1,1
4bfr_A_,396,419,1,1
4bfr_A_,397,422,1,1
4bfr_A_,398,419,1,1
4bfr_A_,398,426,1,1
4bfr_A_,399,402,1,1
4bfr_A_,399,403,1,1
4bfr_A_,401,435,1,1
4bfr_A_,401,626,1,1
4bfr_A_,403,406,1,1
4bfr_A_,404,407,1,1
4bfr_A_,405,408,1,1
4bfr_A_,405,411,1,1
4bfr_A_,407,417,1,1
4bfr_A_,408,410,1,1
4bfr_A_,408,411,1,1
4bfr_A_,411,417,1,1
4bfr_A_,413,416,1,1
4bfr_A_,413,417,1,1
4bfr_A_,414,418,1,1
4bfr_A_,415,419,1,1
4bfr_A_,416,420,1,1
4bfr_A_,417,421,1,1
4bfr_A_,418,422,1,1
4bfr_A_,419,423,1,1
4bfr_A_,420,423,1,1
4bfr_A_,420,424,1,1
4bfr_A_,422,425,1,1
4bfr_A_,423,426,1,1
4bfr_A_,425,459,1,1
4bfr_A_,427,460,1,1
4bfr_A_,428,431,1,1
4bfr_A_,428,432,1,1
4bfr_A_,429,433,1,1
4bfr_A_,430,433,1,1
4bfr_A_,430,434,1,1
4bfr_A_,432,435,1,1
4bfr_A_,435,439,1,1
4bfr_A_,436,440,1,1
4bfr_A_,438,442,1,1
4bfr_A_,438,615,1,1
4bfr_A_,441,478,1,1
4bfr_A_,441,797,1,1
4bfr_A_,442,446,1,1
4bfr_A_,444,478,1,1
4bfr_A_,444,797,1,1
4bfr_A_,444,798,1,1
4bfr_A_,449,451,1,1
4bfr_A_,449,454,1,1
4bfr_A_,450,455,1,1
4bfr_A_,451,454,1,1
4bfr_A_,451,455,1,1
4bfr_A_,452,456,1,1
4bfr_A_,453,457,1,1
4bfr_A_,454,458,1,1
4bfr_A_,455,459,1,1
4bfr_A_,456,460,1,1
4bfr_A_,457,461,1,1
4bfr_A_,458,462,1,1
4bfr_A_,460,464,1,1
4bfr_A_,464,466,1,1
4bfr_A_,464,468,1,1
4bfr_A_,465,469,1,1
4bfr_A_,467,471,1,1
4bfr_A_,468,472,1,1
4bfr_A_,469,473,1,1
4bfr_A_,469,509,1,1
4bfr_A_,469,557,1,1
4bfr_A_,469,558,1,1
4bfr_A_,470,474,1,1
4bfr_A_,471,475,1,1
4bfr_A_,472,476,1,1
4bfr_A_,473,477,1,1
4bfr_A_,473,509,1,1
4bfr_A_,474,477,1,1
4bfr_A_,475,478,1,1
4bfr_A_,478,481,1,1
4bfr_A_,479,485,1,1
4bfr_A_,481,484,1,1
4bfr_A_,481,643,1,1
4bfr_A_,484,488,1,1
4bfr_A_,485,489,1,1
4bfr_A_,486,490,1,1
4bfr_A_,488,492,1,1
4bfr_A_,489,493,1,1
4bfr_A_,490,494,1,1
4bfr_A_,491,495,1,1
4bfr_A_,492,496,1,1
4bfr_A_,493,497,1,1
4bfr_A_,494,498,1,1
4bfr_A_,495,502,1,1
4bfr_A_,500,503,1,1
4bfr_A_,502,506,1,1
4bfr_A_,503,507,1,1
4bfr_A_,504,508,1,1
4bfr_A_,506,510,1,1
4bfr_A_,507,511,1,1
4bfr_A_,508,512,1,1
4bfr_A_,509,513,1,1
4bfr_A_,509,556,1,1
4bfr_A_,510,514,1,1
4bfr_A_,511,515,1,1
4bfr_A_,512,516,1,1
4bfr_A_,513,517,1,1
4bfr_A_,514,518,1,1
4bfr_A_,515,519,1,1
4bfr_A_,515,547,1,1
4bfr_A_,516,520,1,1
4bfr_A_,517,521,1,1
4bfr_A_,518,522,1,1
4bfr_A_,519,523,1,1
4bfr_A_,520,524,1,1
4bfr_A_,520,580,1,1
4bfr_A_,520,603,1,1
4bfr_A_,521,525,1,1
4bfr_A_,522,526,1,1
4bfr_A_,526,530,1,1
4bfr_A_,531,535,1,1
4bfr_A_,532,536,1,1
4bfr_A_,534,538,1,1
4bfr_A_,535,539,1,1
4bfr_A_,536,540,1,1
4bfr_A_,537,541,1,1
4bfr_A_,538,542,1,1
4bfr_A_,539,543,1,1
4bfr_A_,540,544,1,1
4bfr_A_,540,571,1,1
4bfr_A_,545,548,1,1
4bfr_A_,545,549,1,1
4bfr_A_,546,550,1,1
4bfr_A_,548,552,1,1
4bfr_A_,549,553,1,1
4bfr_A_,552,587,1,1
4bfr_A_,553,566,1,1
4bfr_A_,553,567,1,1
4bfr_A_,555,565,1,1
4bfr_A_,556,561,1,1
4bfr_A_,557,563,1,1
4bfr_A_,564,590,1,1
4bfr_A_,566,588,1,1
4bfr_A_,567,588,1,1
4bfr_A_,569,572,1,1
4bfr_A_,569,573,1,1
4bfr_A_,569,586,1,1
4bfr_A_,570,573,1,1
4bfr_A_,573,586,1,1
4bfr_A_,574,584,1,1
4bfr_A_,576,582,1,1
4bfr_A_,577,581,1,1
4bfr_A_,578,581,1,1
4bfr_A_,583,601,1,1
4bfr_A_,585,599,1,1
4bfr_A_,587,596,1,1
4bfr_A_,587,597,1,1
4bfr_A_,588,589,1,1
4bfr_A_,589,594,1,1
4bfr_A_,589,596,1,1
4bfr_A_,596,652,1,1
4bfr_A_,598,650,1,1
4bfr_A_,600,648,1,1
4bfr_A_,602,646,1,1
4bfr_A_,604,644,1,1
4bfr_A_,606,609,1,1
4bfr_A_,607,611,1,1
4bfr_A_,608,612,1,1
4bfr_A_,608,799,1,1
4bfr_A_,609,613,1,1
4bfr_A_,610,614,1,1
4bfr_A_,610,735,1,1
4bfr_A_,611,615,1,1
4bfr_A_,612,616,1,1
4bfr_A_,613,617,1,1
4bfr_A_,614,618,1,1
4bfr_A_,615,619,1,1
4bfr_A_,616,620,1,1
4bfr_A_,617,621,1,1
4bfr_A_,618,622,1,1
4bfr_A_,618,636,1,1
4bfr_A_,619,623,1,1
4bfr_A_,620,624,1,1
4bfr_A_,621,625,1,1
4bfr_A_,622,626,1,1
4bfr_A_,624,627,1,1
4bfr_A_,624,629,1,1
4bfr_A_,624,777,1,1
4bfr_A_,625,628,1,1
4bfr_A_,630,632,1,1
4bfr_A_,632,729,1,1
4bfr_A_,634,636,1,1
4bfr_A_,634,705,1,1
4bfr_A_,637,649,1,1
4bfr_A_,638,647,1,1
4bfr_A_,639,647,1,1
4bfr_A_,641,645,1,1
4bfr_A_,642,645,1,1
4bfr_A_,651,654,1,1
4bfr_A_,652,653,1,1
4bfr_A_,652,725,1,1
4bfr_A_,653,726,1,1
4bfr_A_,655,724,1,1
4bfr_A_,656,659,1,1
4bfr_A_,656,660,1,1
4bfr_A_,657,661,1,1
4bfr_A_,657,722,1,1
4bfr_A_,658,662,1,1
4bfr_A_,658,719,1,1
4bfr_A_,660,674,1,1
4bfr_A_,661,674,1,1
4bfr_A_,661,851,1,1
4bfr_A_,663,667,1,1
4bfr_A_,664,665,1,1
4bfr_A_,676,680,1,1
4bfr_A_,677,681,1,1
4bfr_A_,678,682,1,1
4bfr_A_,679,683,1,1
4bfr_A_,682,686,1,1
4bfr_A_,686,726,1,1
4bfr_A_,689,693,1,1
4bfr_A_,690,694,1,1
4bfr_A_,691,695,1,1
4bfr_A_,692,696,1,1
4bfr_A_,693,697,1,1
4bfr_A_,694,698,1,1
4bfr_A_,695,699,1,1
4bfr_A_,696,700,1,1
4bfr_A_,696,769,1,1
4bfr_A_,697,701,1,1
4bfr_A_,697,727,1,1
4bfr_A_,698,701,1,1
4bfr_A_,698,702,1,1
4bfr_A_,699,703,1,1
4bfr_A_,700,704,1,1
4bfr_A_,701,705,1,1
4bfr_A_,701,730,1,1
4bfr_A_,702,706,1,1
4bfr_A_,703,707,1,1
4bfr_A_,703,774,1,1
4bfr_A_,704,708,1,1
4bfr_A_,705,709,1,1
4bfr_A_,706,709,1,1
4bfr_A_,706,710,1,1
4bfr_A_,706,747,1,1
4bfr_A_,707,711,1,1
4bfr_A_,708,712,1,1
4bfr_A_,709,714,1,1
4bfr_A_,710,828,1,1
4bfr_A_,711,815,1,1
4bfr_A_,712,739,1,1
4bfr_A_,713,740,1,1
4bfr_A_,715,717,1,1
4bfr_A_,716,721,1,1
4bfr_A_,717,733,1,1
4bfr_A_,717,734,1,1
4bfr_A_,718,720,1,1
4bfr_A_,718,721,1,1
4bfr_A_,719,847,1,1
4bfr_A_,719,851,1,1
4bfr_A_,720,854,1,1
4bfr_A_,721,733,1,1
4bfr_A_,723,731,1,1
4bfr_A_,725,728,1,1
4bfr_A_,725,729,1,1
4bfr_A_,737,802,1,1
4bfr_A_,738,741,1,1
4bfr_A_,744,811,1,1
4bfr_A_,748,843,1,1
4bfr_A_,749,751,1,1
4bfr_A_,749,752,1,1
4bfr_A_,749,753,1,1
4bfr_A_,749,840,1,1
4bfr_A_,750,754,1,1
4bfr_A_,751,844,1,1
4bfr_A_,752,755,1,1
4bfr_A_,752,756,1,1
4bfr_A_,753,757,1,1
4bfr_A_,754,759,1,1
4bfr_A_,755,758,1,1
4bfr_A_,757,760,1,1
4bfr_A_,757,761,1,1
4bfr_A_,757,763,1,1
4bfr_A_,758,766,1,1
4bfr_A_,760,763,1,1
4bfr_A_,764,768,1,1
4bfr_A_,765,769,1,1
4bfr_A_,766,770,1,1
4bfr_A_,767,771,1,1
4bfr_A_,768,772,1,1
4bfr_A_,769,773,1,1
4bfr_A_,770,774,1,1
4bfr_A_,771,775,1,1
4bfr_A_,772,776,1,1
4bfr_A_,773,777,1,1
4bfr_A_,774,778,1,1
4bfr_A_,775,779,1,1
4bfr_A_,776,780,1,1
4bfr_A_,777,781,1,1
4bfr_A_,778,782,1,1
4bfr_A_,778,815,1,1
4bfr_A_,780,783,1,1
4bfr_A_,782,785,1,1
4bfr_A_,782,816,1,1
4bfr_A_,782,817,1,1
4bfr_A_,784,787,1,1
4bfr_A_,784,788,1,1
4bfr_A_,785,789,1,1
4bfr_A_,786,790,1,1
4bfr_A_,787,791,1,1
4bfr_A_,788,792,1,1
4bfr_A_,789,793,1,1
4bfr_A_,790,794,1,1
4bfr_A_,792,795,1,1
4bfr_A_,795,798,1,1
4bfr_A_,804,808,1,1
4bfr_A_,805,808,1,1
4bfr_A_,806,809,1,1
4bfr_A_,809,812,1,1
4bfr_A_,810,814,1,1
4bfr_A_,811,815,1,1
4bfr_A_,812,815,1,1
4bfr_A_,812,816,1,1
4bfr_A_,813,818,1,1
4bfr_A_,814,817,1,1
4bfr_A_,814,828,1,1
4bfr_A_,817,820,1,1
4bfr_A_,820,828,1,1
4bfr_A_,821,825,1,1
4bfr_A_,823,827,1,1
4bfr_A_,824,827,1,1
4bfr_A_,824,828,1,1
4bfr_A_,825,829,1,1
4bfr_A_,826,830,1,1
4bfr_A_,827,831,1,1
4bfr_A_,828,832,1,1
4bfr_A_,829,833,1,1
4bfr_A_,830,834,1,1
4bfr_A_,831,835,1,1
4bfr_A_,832,836,1,1
4bfr_A_,833,837,1,1
4bfr_A_,834,838,1,1
4bfr_A_,835,839,1,1
4bfr_A_,837,840,1,1
4bfr_A_,839,843,1,1
4bfr_A_,840,844,1,1
4bfr_A_,841,845,1,1
4bfr_A_,842,846,1,1
4bfr_A_,843,847,1,1
4bfr_A_,844,848,1,1
4bfr_A_,845,849,1,1
4bfr_A_,846,850,1,1
4bfr_A_,847,851,1,1
4bfr_A_,848,852,1,1
4bfr_A_,849,853,1,1
4bfr_A_,852,854,1,1