pair,contact1,contact2,flow1,flow2 7sfv_B_,1,4,1,1 7sfv_B_,2,5,1,1 7sfv_B_,7,11,1,1 7sfv_B_,8,12,1,1 7sfv_B_,9,53,1,1 7sfv_B_,10,59,1,1 7sfv_B_,10,235,1,1 7sfv_B_,12,52,1,1 7sfv_B_,12,67,1,1 7sfv_B_,13,173,1,1 7sfv_B_,15,34,1,1 7sfv_B_,15,50,1,1 7sfv_B_,17,29,1,1 7sfv_B_,19,21,1,1 7sfv_B_,19,26,1,1 7sfv_B_,19,27,1,1 7sfv_B_,21,124,1,1 7sfv_B_,22,25,1,1 7sfv_B_,29,122,1,1 7sfv_B_,30,50,1,1 7sfv_B_,31,123,1,1 7sfv_B_,32,49,1,1 7sfv_B_,32,50,1,1 7sfv_B_,34,48,1,1 7sfv_B_,35,48,1,1 7sfv_B_,37,46,1,1 7sfv_B_,39,154,1,1 7sfv_B_,41,43,1,1 7sfv_B_,41,152,1,1 7sfv_B_,42,139,1,1 7sfv_B_,42,266,1,1 7sfv_B_,43,104,1,1 7sfv_B_,45,102,1,1 7sfv_B_,47,100,1,1 7sfv_B_,49,98,1,1 7sfv_B_,52,67,1,1 7sfv_B_,53,97,1,1 7sfv_B_,54,62,1,1 7sfv_B_,54,65,1,1 7sfv_B_,56,59,1,1 7sfv_B_,56,60,1,1 7sfv_B_,64,79,1,1 7sfv_B_,65,66,1,1 7sfv_B_,65,76,1,1 7sfv_B_,65,77,1,1 7sfv_B_,66,77,1,1 7sfv_B_,68,75,1,1 7sfv_B_,70,73,1,1 7sfv_B_,71,230,1,1 7sfv_B_,76,116,1,1 7sfv_B_,78,81,1,1 7sfv_B_,83,113,1,1 7sfv_B_,84,90,1,1 7sfv_B_,85,111,1,1 7sfv_B_,86,88,1,1 7sfv_B_,86,105,1,1 7sfv_B_,87,106,1,1 7sfv_B_,91,103,1,1 7sfv_B_,93,101,1,1 7sfv_B_,94,95,1,1 7sfv_B_,94,101,1,1 7sfv_B_,96,99,1,1 7sfv_B_,98,238,1,1 7sfv_B_,107,129,1,1 7sfv_B_,110,125,1,1 7sfv_B_,111,123,1,1 7sfv_B_,112,123,1,1 7sfv_B_,113,122,1,1 7sfv_B_,114,121,1,1 7sfv_B_,116,119,1,1 7sfv_B_,117,118,1,1 7sfv_B_,134,139,1,1 7sfv_B_,136,294,1,1 7sfv_B_,136,331,1,1 7sfv_B_,136,332,1,1 7sfv_B_,137,291,1,1 7sfv_B_,138,292,1,1 7sfv_B_,141,142,1,1 7sfv_B_,147,268,1,1 7sfv_B_,149,151,1,1 7sfv_B_,149,266,1,1 7sfv_B_,151,264,1,1 7sfv_B_,151,266,1,1 7sfv_B_,153,262,1,1 7sfv_B_,155,260,1,1 7sfv_B_,157,259,1,1 7sfv_B_,158,256,1,1 7sfv_B_,160,164,1,1 7sfv_B_,163,257,1,1 7sfv_B_,165,255,1,1 7sfv_B_,166,168,1,1 7sfv_B_,167,252,1,1 7sfv_B_,167,253,1,1 7sfv_B_,168,237,1,1 7sfv_B_,168,250,1,1 7sfv_B_,169,250,1,1 7sfv_B_,173,230,1,1 7sfv_B_,175,177,1,1 7sfv_B_,175,228,1,1 7sfv_B_,179,223,1,1 7sfv_B_,180,187,1,1 7sfv_B_,182,185,1,1 7sfv_B_,183,185,1,1 7sfv_B_,184,185,1,1 7sfv_B_,185,218,1,1 7sfv_B_,186,217,1,1 7sfv_B_,188,215,1,1 7sfv_B_,191,194,1,1 7sfv_B_,195,231,1,1 7sfv_B_,196,211,1,1 7sfv_B_,197,229,1,1 7sfv_B_,199,227,1,1 7sfv_B_,200,206,1,1 7sfv_B_,201,225,1,1 7sfv_B_,209,211,1,1 7sfv_B_,212,213,1,1 7sfv_B_,213,214,1,1 7sfv_B_,216,218,1,1 7sfv_B_,223,226,1,1 7sfv_B_,234,235,1,1 7sfv_B_,238,240,1,1 7sfv_B_,240,242,1,1 7sfv_B_,269,332,1,1 7sfv_B_,271,333,1,1 7sfv_B_,272,330,1,1 7sfv_B_,275,286,1,1 7sfv_B_,277,284,1,1 7sfv_B_,279,282,1,1 7sfv_B_,281,321,1,1 7sfv_B_,281,323,1,1 7sfv_B_,282,319,1,1 7sfv_B_,283,319,1,1 7sfv_B_,284,318,1,1 7sfv_B_,285,317,1,1 7sfv_B_,287,315,1,1 7sfv_B_,291,293,1,1 7sfv_B_,293,311,1,1 7sfv_B_,294,331,1,1 7sfv_B_,295,309,1,1 7sfv_B_,296,329,1,1 7sfv_B_,297,307,1,1 7sfv_B_,298,327,1,1 7sfv_B_,299,304,1,1 7sfv_B_,309,317,1,1 7sfv_B_,312,313,1,1 7sfv_B_,322,340,1,1 7sfv_B_,324,339,1,1 7sfv_B_,326,338,1,1 7sfv_B_,327,337,1,1 7sfv_B_,328,336,1,1 7sfv_B_,330,333,1,1 7sfv_B_,334,336,1,1 7sfv_B_,345,358,1,1 7sfv_B_,347,349,1,1 7sfv_B_,351,355,1,1 7sfv_B_,352,356,1,1 7sfv_B_,353,357,1,1 7sfv_B_,354,357,1,1 7sfv_B_,354,358,1,1 7sfv_B_,355,359,1,1 7sfv_B_,357,360,1,1 7sfv_B_,357,361,1,1 7sfv_B_,358,362,1,1 7sfv_B_,359,367,1,1 7sfv_B_,363,367,1,1 7sfv_B_,366,370,1,1 7sfv_B_,367,371,1,1 7sfv_B_,368,372,1,1 7sfv_B_,369,373,1,1 7sfv_B_,370,374,1,1 7sfv_B_,371,375,1,1 7sfv_B_,372,376,1,1 7sfv_B_,373,377,1,1 7sfv_B_,374,378,1,1 7sfv_B_,375,379,1,1 7sfv_B_,376,379,1,1 7sfv_B_,376,380,1,1 7sfv_B_,377,381,1,1 7sfv_B_,378,382,1,1 7sfv_B_,379,383,1,1 7sfv_B_,380,384,1,1 7sfv_B_,381,385,1,1 7sfv_B_,382,386,1,1 7sfv_B_,383,387,1,1 7sfv_B_,384,388,1,1 7sfv_B_,385,389,1,1 7sfv_B_,386,390,1,1 7sfv_B_,387,391,1,1 7sfv_B_,388,392,1,1 7sfv_B_,389,393,1,1 7sfv_B_,390,394,1,1 7sfv_B_,391,395,1,1 7sfv_B_,392,396,1,1 7sfv_B_,394,397,1,1 7sfv_B_,394,398,1,1 7sfv_B_,396,411,1,1 7sfv_B_,397,400,1,1 7sfv_B_,397,401,1,1 7sfv_B_,399,403,1,1 7sfv_B_,408,412,1,1 7sfv_B_,410,413,1,1 7sfv_B_,410,414,1,1 7sfv_B_,411,415,1,1 7sfv_B_,411,416,1,1 7sfv_B_,412,416,1,1