pair,contact1,contact2,flow1,flow2 4wsa_B_,4,6,1,1 4wsa_B_,4,7,1,1 4wsa_B_,6,9,1,1 4wsa_B_,7,10,1,1 4wsa_B_,8,11,1,1 4wsa_B_,8,12,1,1 4wsa_B_,13,17,1,1 4wsa_B_,15,497,1,1 4wsa_B_,17,20,1,1 4wsa_B_,18,21,1,1 4wsa_B_,19,22,1,1 4wsa_B_,23,26,1,1 4wsa_B_,29,231,1,1 4wsa_B_,31,230,1,1 4wsa_B_,34,36,1,1 4wsa_B_,34,354,1,1 4wsa_B_,35,39,1,1 4wsa_B_,36,40,1,1 4wsa_B_,36,351,1,1 4wsa_B_,36,354,1,1 4wsa_B_,37,41,1,1 4wsa_B_,37,388,1,1 4wsa_B_,38,42,1,1 4wsa_B_,39,43,1,1 4wsa_B_,39,226,1,1 4wsa_B_,40,44,1,1 4wsa_B_,41,45,1,1 4wsa_B_,41,388,1,1 4wsa_B_,42,46,1,1 4wsa_B_,43,47,1,1 4wsa_B_,44,48,1,1 4wsa_B_,45,49,1,1 4wsa_B_,45,311,1,1 4wsa_B_,46,50,1,1 4wsa_B_,47,50,1,1 4wsa_B_,49,81,1,1 4wsa_B_,50,53,1,1 4wsa_B_,52,82,1,1 4wsa_B_,54,67,1,1 4wsa_B_,56,65,1,1 4wsa_B_,56,316,1,1 4wsa_B_,58,62,1,1 4wsa_B_,58,63,1,1 4wsa_B_,61,63,1,1 4wsa_B_,64,394,1,1 4wsa_B_,64,403,1,1 4wsa_B_,67,69,1,1 4wsa_B_,70,83,1,1 4wsa_B_,70,85,1,1 4wsa_B_,71,84,1,1 4wsa_B_,77,466,1,1 4wsa_B_,80,82,1,1 4wsa_B_,80,312,1,1 4wsa_B_,80,475,1,1 4wsa_B_,81,83,1,1 4wsa_B_,84,88,1,1 4wsa_B_,84,471,1,1 4wsa_B_,85,89,1,1 4wsa_B_,86,90,1,1 4wsa_B_,87,91,1,1 4wsa_B_,88,92,1,1 4wsa_B_,89,93,1,1 4wsa_B_,90,94,1,1 4wsa_B_,91,95,1,1 4wsa_B_,92,96,1,1 4wsa_B_,93,97,1,1 4wsa_B_,93,324,1,1 4wsa_B_,94,98,1,1 4wsa_B_,94,427,1,1 4wsa_B_,95,99,1,1 4wsa_B_,96,324,1,1 4wsa_B_,98,428,1,1 4wsa_B_,101,105,1,1 4wsa_B_,102,106,1,1 4wsa_B_,103,107,1,1 4wsa_B_,104,108,1,1 4wsa_B_,105,109,1,1 4wsa_B_,106,110,1,1 4wsa_B_,106,261,1,1 4wsa_B_,107,111,1,1 4wsa_B_,107,325,1,1 4wsa_B_,108,112,1,1 4wsa_B_,109,113,1,1 4wsa_B_,110,114,1,1 4wsa_B_,111,115,1,1 4wsa_B_,113,116,1,1 4wsa_B_,113,117,1,1 4wsa_B_,114,117,1,1 4wsa_B_,117,163,1,1 4wsa_B_,118,120,1,1 4wsa_B_,119,122,1,1 4wsa_B_,119,161,1,1 4wsa_B_,120,123,1,1 4wsa_B_,126,128,1,1 4wsa_B_,126,139,1,1 4wsa_B_,127,249,1,1 4wsa_B_,128,137,1,1 4wsa_B_,128,249,1,1 4wsa_B_,129,244,1,1 4wsa_B_,130,132,1,1 4wsa_B_,130,135,1,1 4wsa_B_,130,145,1,1 4wsa_B_,131,134,1,1 4wsa_B_,131,220,1,1 4wsa_B_,135,137,1,1 4wsa_B_,136,225,1,1 4wsa_B_,138,141,1,1 4wsa_B_,138,142,1,1 4wsa_B_,139,143,1,1 4wsa_B_,140,144,1,1 4wsa_B_,141,145,1,1 4wsa_B_,142,145,1,1 4wsa_B_,142,146,1,1 4wsa_B_,143,147,1,1 4wsa_B_,144,148,1,1 4wsa_B_,144,672,1,1 4wsa_B_,145,148,1,1 4wsa_B_,145,149,1,1 4wsa_B_,146,150,1,1 4wsa_B_,147,151,1,1 4wsa_B_,149,152,1,1 4wsa_B_,149,153,1,1 4wsa_B_,149,180,1,1 4wsa_B_,150,153,1,1 4wsa_B_,150,155,1,1 4wsa_B_,151,154,1,1 4wsa_B_,151,159,1,1 4wsa_B_,153,176,1,1 4wsa_B_,153,180,1,1 4wsa_B_,156,159,1,1 4wsa_B_,157,160,1,1 4wsa_B_,157,169,1,1 4wsa_B_,158,161,1,1 4wsa_B_,163,167,1,1 4wsa_B_,164,168,1,1 4wsa_B_,165,169,1,1 4wsa_B_,166,170,1,1 4wsa_B_,167,171,1,1 4wsa_B_,168,172,1,1 4wsa_B_,169,173,1,1 4wsa_B_,170,173,1,1 4wsa_B_,172,175,1,1 4wsa_B_,173,217,1,1 4wsa_B_,177,214,1,1 4wsa_B_,179,212,1,1 4wsa_B_,181,210,1,1 4wsa_B_,183,208,1,1 4wsa_B_,185,206,1,1 4wsa_B_,187,204,1,1 4wsa_B_,189,202,1,1 4wsa_B_,191,200,1,1 4wsa_B_,197,199,1,1 4wsa_B_,213,217,1,1 4wsa_B_,214,218,1,1 4wsa_B_,215,219,1,1 4wsa_B_,216,220,1,1 4wsa_B_,217,221,1,1 4wsa_B_,217,247,1,1 4wsa_B_,218,222,1,1 4wsa_B_,219,223,1,1 4wsa_B_,219,399,1,1 4wsa_B_,220,223,1,1 4wsa_B_,222,348,1,1 4wsa_B_,224,348,1,1 4wsa_B_,224,350,1,1 4wsa_B_,225,226,1,1 4wsa_B_,225,243,1,1 4wsa_B_,226,350,1,1 4wsa_B_,227,241,1,1 4wsa_B_,229,239,1,1 4wsa_B_,232,235,1,1 4wsa_B_,235,238,1,1 4wsa_B_,248,252,1,1 4wsa_B_,249,253,1,1 4wsa_B_,252,256,1,1 4wsa_B_,253,257,1,1 4wsa_B_,254,258,1,1 4wsa_B_,255,259,1,1 4wsa_B_,256,260,1,1 4wsa_B_,256,415,1,1 4wsa_B_,256,416,1,1 4wsa_B_,257,261,1,1 4wsa_B_,258,262,1,1 4wsa_B_,259,263,1,1 4wsa_B_,260,264,1,1 4wsa_B_,261,265,1,1 4wsa_B_,262,265,1,1 4wsa_B_,263,266,1,1 4wsa_B_,263,269,1,1 4wsa_B_,263,415,1,1 4wsa_B_,266,281,1,1 4wsa_B_,268,441,1,1 4wsa_B_,269,281,1,1 4wsa_B_,270,278,1,1 4wsa_B_,270,441,1,1 4wsa_B_,270,442,1,1 4wsa_B_,274,278,1,1 4wsa_B_,277,281,1,1 4wsa_B_,278,282,1,1 4wsa_B_,279,283,1,1 4wsa_B_,281,285,1,1 4wsa_B_,282,286,1,1 4wsa_B_,283,287,1,1 4wsa_B_,284,288,1,1 4wsa_B_,285,289,1,1 4wsa_B_,286,290,1,1 4wsa_B_,287,291,1,1 4wsa_B_,289,451,1,1 4wsa_B_,298,452,1,1 4wsa_B_,298,458,1,1 4wsa_B_,299,451,1,1 4wsa_B_,299,486,1,1 4wsa_B_,300,450,1,1 4wsa_B_,301,483,1,1 4wsa_B_,301,484,1,1 4wsa_B_,301,486,1,1 4wsa_B_,302,448,1,1 4wsa_B_,303,482,1,1 4wsa_B_,305,477,1,1 4wsa_B_,306,444,1,1 4wsa_B_,307,475,1,1 4wsa_B_,308,312,1,1 4wsa_B_,309,313,1,1 4wsa_B_,310,408,1,1 4wsa_B_,314,316,1,1 4wsa_B_,314,317,1,1 4wsa_B_,315,319,1,1 4wsa_B_,316,320,1,1 4wsa_B_,316,405,1,1 4wsa_B_,317,321,1,1 4wsa_B_,318,322,1,1 4wsa_B_,319,322,1,1 4wsa_B_,319,323,1,1 4wsa_B_,320,324,1,1 4wsa_B_,321,325,1,1 4wsa_B_,322,326,1,1 4wsa_B_,323,326,1,1 4wsa_B_,323,334,1,1 4wsa_B_,324,327,1,1 4wsa_B_,326,329,1,1 4wsa_B_,326,334,1,1 4wsa_B_,330,334,1,1 4wsa_B_,331,335,1,1 4wsa_B_,332,336,1,1 4wsa_B_,333,337,1,1 4wsa_B_,334,338,1,1 4wsa_B_,335,338,1,1 4wsa_B_,336,339,1,1 4wsa_B_,338,342,1,1 4wsa_B_,339,343,1,1 4wsa_B_,340,344,1,1 4wsa_B_,341,345,1,1 4wsa_B_,343,346,1,1 4wsa_B_,345,405,1,1 4wsa_B_,347,404,1,1 4wsa_B_,347,406,1,1 4wsa_B_,347,407,1,1 4wsa_B_,349,402,1,1 4wsa_B_,351,370,1,1 4wsa_B_,352,370,1,1 4wsa_B_,353,370,1,1 4wsa_B_,355,368,1,1 4wsa_B_,357,366,1,1 4wsa_B_,359,364,1,1 4wsa_B_,360,363,1,1 4wsa_B_,370,373,1,1 4wsa_B_,372,375,1,1 4wsa_B_,373,381,1,1 4wsa_B_,377,380,1,1 4wsa_B_,378,381,1,1 4wsa_B_,378,386,1,1 4wsa_B_,381,386,1,1 4wsa_B_,382,385,1,1 4wsa_B_,382,386,1,1 4wsa_B_,383,387,1,1 4wsa_B_,384,388,1,1 4wsa_B_,385,389,1,1 4wsa_B_,386,390,1,1 4wsa_B_,387,391,1,1 4wsa_B_,388,392,1,1 4wsa_B_,389,393,1,1 4wsa_B_,392,395,1,1 4wsa_B_,393,396,1,1 4wsa_B_,395,403,1,1 4wsa_B_,397,399,1,1 4wsa_B_,397,400,1,1 4wsa_B_,397,401,1,1 4wsa_B_,399,401,1,1 4wsa_B_,413,417,1,1 4wsa_B_,414,417,1,1 4wsa_B_,414,418,1,1 4wsa_B_,415,419,1,1 4wsa_B_,416,420,1,1 4wsa_B_,417,421,1,1 4wsa_B_,418,422,1,1 4wsa_B_,418,443,1,1 4wsa_B_,419,423,1,1 4wsa_B_,420,424,1,1 4wsa_B_,421,425,1,1 4wsa_B_,423,426,1,1 4wsa_B_,424,427,1,1 4wsa_B_,428,437,1,1 4wsa_B_,429,433,1,1 4wsa_B_,429,435,1,1 4wsa_B_,433,435,1,1 4wsa_B_,433,464,1,1 4wsa_B_,435,464,1,1 4wsa_B_,436,451,1,1 4wsa_B_,438,449,1,1 4wsa_B_,440,447,1,1 4wsa_B_,441,443,1,1 4wsa_B_,442,445,1,1 4wsa_B_,445,492,1,1 4wsa_B_,450,458,1,1 4wsa_B_,454,457,1,1 4wsa_B_,454,458,1,1 4wsa_B_,455,459,1,1 4wsa_B_,457,461,1,1 4wsa_B_,458,462,1,1 4wsa_B_,459,463,1,1 4wsa_B_,460,464,1,1 4wsa_B_,461,465,1,1 4wsa_B_,462,466,1,1 4wsa_B_,463,467,1,1 4wsa_B_,464,468,1,1 4wsa_B_,465,469,1,1 4wsa_B_,466,470,1,1 4wsa_B_,468,471,1,1 4wsa_B_,469,472,1,1 4wsa_B_,469,474,1,1 4wsa_B_,470,473,1,1 4wsa_B_,470,475,1,1 4wsa_B_,477,480,1,1 4wsa_B_,477,481,1,1 4wsa_B_,484,488,1,1 4wsa_B_,487,498,1,1 4wsa_B_,489,496,1,1 4wsa_B_,490,493,1,1 4wsa_B_,491,492,1,1 4wsa_B_,491,494,1,1 4wsa_B_,493,503,1,1 4wsa_B_,495,501,1,1 4wsa_B_,497,499,1,1 4wsa_B_,503,506,1,1 4wsa_B_,504,507,1,1 4wsa_B_,505,508,1,1 4wsa_B_,507,510,1,1 4wsa_B_,508,511,1,1 4wsa_B_,513,553,1,1 4wsa_B_,515,521,1,1 4wsa_B_,516,521,1,1 4wsa_B_,517,520,1,1 4wsa_B_,517,521,1,1 4wsa_B_,517,649,1,1 4wsa_B_,518,554,1,1 4wsa_B_,518,571,1,1 4wsa_B_,518,647,1,1 4wsa_B_,519,643,1,1 4wsa_B_,519,647,1,1 4wsa_B_,519,648,1,1 4wsa_B_,520,524,1,1 4wsa_B_,521,525,1,1 4wsa_B_,521,558,1,1 4wsa_B_,522,526,1,1 4wsa_B_,523,527,1,1 4wsa_B_,524,528,1,1 4wsa_B_,526,530,1,1 4wsa_B_,527,531,1,1 4wsa_B_,528,532,1,1 4wsa_B_,529,533,1,1 4wsa_B_,530,534,1,1 4wsa_B_,531,535,1,1 4wsa_B_,532,536,1,1 4wsa_B_,539,543,1,1 4wsa_B_,540,544,1,1 4wsa_B_,541,545,1,1 4wsa_B_,542,546,1,1 4wsa_B_,543,547,1,1 4wsa_B_,544,548,1,1 4wsa_B_,544,599,1,1 4wsa_B_,545,549,1,1 4wsa_B_,546,550,1,1 4wsa_B_,548,552,1,1 4wsa_B_,549,553,1,1 4wsa_B_,550,554,1,1 4wsa_B_,551,555,1,1 4wsa_B_,552,556,1,1 4wsa_B_,553,557,1,1 4wsa_B_,554,558,1,1 4wsa_B_,554,560,1,1 4wsa_B_,555,560,1,1 4wsa_B_,555,594,1,1 4wsa_B_,556,559,1,1 4wsa_B_,558,571,1,1 4wsa_B_,560,590,1,1 4wsa_B_,562,564,1,1 4wsa_B_,562,565,1,1 4wsa_B_,563,593,1,1 4wsa_B_,567,576,1,1 4wsa_B_,569,573,1,1 4wsa_B_,571,574,1,1 4wsa_B_,571,575,1,1 4wsa_B_,572,576,1,1 4wsa_B_,574,578,1,1 4wsa_B_,575,579,1,1 4wsa_B_,576,580,1,1 4wsa_B_,577,581,1,1 4wsa_B_,578,582,1,1 4wsa_B_,579,585,1,1 4wsa_B_,583,585,1,1 4wsa_B_,583,616,1,1 4wsa_B_,584,587,1,1 4wsa_B_,584,616,1,1 4wsa_B_,585,588,1,1 4wsa_B_,588,611,1,1 4wsa_B_,589,592,1,1 4wsa_B_,589,594,1,1 4wsa_B_,589,619,1,1 4wsa_B_,590,593,1,1 4wsa_B_,592,619,1,1 4wsa_B_,592,647,1,1 4wsa_B_,595,611,1,1 4wsa_B_,596,598,1,1 4wsa_B_,597,602,1,1 4wsa_B_,598,605,1,1 4wsa_B_,599,600,1,1 4wsa_B_,599,602,1,1 4wsa_B_,602,605,1,1 4wsa_B_,606,610,1,1 4wsa_B_,607,611,1,1 4wsa_B_,608,612,1,1 4wsa_B_,611,614,1,1 4wsa_B_,612,615,1,1 4wsa_B_,616,620,1,1 4wsa_B_,617,621,1,1 4wsa_B_,618,622,1,1 4wsa_B_,619,623,1,1 4wsa_B_,620,624,1,1 4wsa_B_,622,625,1,1 4wsa_B_,623,646,1,1 4wsa_B_,625,627,1,1 4wsa_B_,625,628,1,1 4wsa_B_,628,630,1,1 4wsa_B_,628,631,1,1 4wsa_B_,630,650,1,1 4wsa_B_,643,648,1,1 4wsa_B_,645,648,1,1 4wsa_B_,653,669,1,1 4wsa_B_,654,656,1,1 4wsa_B_,655,658,1,1 4wsa_B_,657,660,1,1 4wsa_B_,658,663,1,1 4wsa_B_,660,662,1,1 4wsa_B_,662,665,1,1 4wsa_B_,663,666,1,1 4wsa_B_,664,667,1,1 4wsa_B_,664,668,1,1 4wsa_B_,665,669,1,1 4wsa_B_,666,670,1,1 4wsa_B_,667,671,1,1 4wsa_B_,668,672,1,1 4wsa_B_,669,673,1,1 4wsa_B_,670,674,1,1 4wsa_B_,671,675,1,1 4wsa_B_,672,676,1,1 4wsa_B_,673,677,1,1 4wsa_B_,674,678,1,1 4wsa_B_,675,679,1,1 4wsa_B_,676,680,1,1 4wsa_B_,678,681,1,1 4wsa_B_,678,682,1,1 4wsa_B_,679,683,1,1 4wsa_B_,683,686,1,1 4wsa_B_,685,689,1,1 4wsa_B_,696,700,1,1 4wsa_B_,698,702,1,1 4wsa_B_,699,703,1,1 4wsa_B_,700,704,1,1 4wsa_B_,701,705,1,1 4wsa_B_,702,706,1,1 4wsa_B_,703,707,1,1 4wsa_B_,704,708,1,1 4wsa_B_,705,709,1,1 4wsa_B_,706,710,1,1 4wsa_B_,707,711,1,1 4wsa_B_,708,712,1,1 4wsa_B_,709,713,1,1 4wsa_B_,710,714,1,1 4wsa_B_,711,715,1,1 4wsa_B_,712,715,1,1 4wsa_B_,712,717,1,1 4wsa_B_,712,718,1,1 4wsa_B_,719,722,1,1 4wsa_B_,719,723,1,1 4wsa_B_,720,724,1,1 4wsa_B_,721,725,1,1 4wsa_B_,722,726,1,1 4wsa_B_,723,727,1,1 4wsa_B_,724,728,1,1 4wsa_B_,725,729,1,1 4wsa_B_,726,730,1,1 4wsa_B_,727,731,1,1 4wsa_B_,729,732,1,1 4wsa_B_,729,733,1,1