pair,contact1,contact2,flow1,flow2 7dfl_B_,1,4,1,1 7dfl_B_,1,5,1,1 7dfl_B_,2,6,1,1 7dfl_B_,3,7,1,1 7dfl_B_,4,7,1,1 7dfl_B_,4,8,1,1 7dfl_B_,5,9,1,1 7dfl_B_,6,10,1,1 7dfl_B_,7,11,1,1 7dfl_B_,8,12,1,1 7dfl_B_,9,13,1,1 7dfl_B_,10,14,1,1 7dfl_B_,11,15,1,1 7dfl_B_,12,16,1,1 7dfl_B_,13,17,1,1 7dfl_B_,14,18,1,1 7dfl_B_,15,19,1,1 7dfl_B_,16,20,1,1 7dfl_B_,17,21,1,1 7dfl_B_,18,22,1,1 7dfl_B_,19,23,1,1 7dfl_B_,20,24,1,1 7dfl_B_,21,220,1,1 7dfl_B_,22,25,1,1 7dfl_B_,24,26,1,1 7dfl_B_,28,31,1,1 7dfl_B_,29,32,1,1 7dfl_B_,29,33,1,1 7dfl_B_,33,299,1,1 7dfl_B_,37,282,1,1 7dfl_B_,45,339,1,1 7dfl_B_,47,48,1,1 7dfl_B_,47,337,1,1 7dfl_B_,48,84,1,1 7dfl_B_,48,337,1,1 7dfl_B_,49,336,1,1 7dfl_B_,50,335,1,1 7dfl_B_,51,88,1,1 7dfl_B_,53,71,1,1 7dfl_B_,53,73,1,1 7dfl_B_,54,75,1,1 7dfl_B_,55,75,1,1 7dfl_B_,55,333,1,1 7dfl_B_,56,74,1,1 7dfl_B_,57,315,1,1 7dfl_B_,58,72,1,1 7dfl_B_,59,72,1,1 7dfl_B_,61,70,1,1 7dfl_B_,61,104,1,1 7dfl_B_,63,66,1,1 7dfl_B_,63,68,1,1 7dfl_B_,64,66,1,1 7dfl_B_,64,106,1,1 7dfl_B_,65,67,1,1 7dfl_B_,65,68,1,1 7dfl_B_,66,321,1,1 7dfl_B_,66,322,1,1 7dfl_B_,67,82,1,1 7dfl_B_,67,83,1,1 7dfl_B_,69,81,1,1 7dfl_B_,70,102,1,1 7dfl_B_,71,79,1,1 7dfl_B_,71,81,1,1 7dfl_B_,73,75,1,1 7dfl_B_,73,76,1,1 7dfl_B_,73,77,1,1 7dfl_B_,78,92,1,1 7dfl_B_,80,89,1,1 7dfl_B_,80,90,1,1 7dfl_B_,82,85,1,1 7dfl_B_,82,86,1,1 7dfl_B_,82,87,1,1 7dfl_B_,85,86,1,1 7dfl_B_,98,116,1,1 7dfl_B_,100,114,1,1 7dfl_B_,101,102,1,1 7dfl_B_,103,112,1,1 7dfl_B_,105,108,1,1 7dfl_B_,105,110,1,1 7dfl_B_,107,109,1,1 7dfl_B_,109,125,1,1 7dfl_B_,111,123,1,1 7dfl_B_,113,121,1,1 7dfl_B_,115,118,1,1 7dfl_B_,117,119,1,1 7dfl_B_,118,143,1,1 7dfl_B_,120,138,1,1 7dfl_B_,122,135,1,1 7dfl_B_,122,136,1,1 7dfl_B_,124,133,1,1 7dfl_B_,127,131,1,1 7dfl_B_,135,136,1,1 7dfl_B_,136,171,1,1 7dfl_B_,141,158,1,1 7dfl_B_,141,160,1,1 7dfl_B_,142,162,1,1 7dfl_B_,143,162,1,1 7dfl_B_,146,159,1,1 7dfl_B_,146,186,1,1 7dfl_B_,149,157,1,1 7dfl_B_,151,155,1,1 7dfl_B_,152,154,1,1 7dfl_B_,152,155,1,1 7dfl_B_,154,170,1,1 7dfl_B_,156,168,1,1 7dfl_B_,158,166,1,1 7dfl_B_,158,168,1,1 7dfl_B_,159,165,1,1 7dfl_B_,160,162,1,1 7dfl_B_,160,164,1,1 7dfl_B_,162,163,1,1 7dfl_B_,165,179,1,1 7dfl_B_,167,176,1,1 7dfl_B_,167,177,1,1 7dfl_B_,169,172,1,1 7dfl_B_,169,173,1,1 7dfl_B_,169,174,1,1 7dfl_B_,182,200,1,1 7dfl_B_,183,204,1,1 7dfl_B_,185,203,1,1 7dfl_B_,187,201,1,1 7dfl_B_,188,201,1,1 7dfl_B_,190,199,1,1 7dfl_B_,192,195,1,1 7dfl_B_,192,197,1,1 7dfl_B_,194,195,1,1 7dfl_B_,195,196,1,1 7dfl_B_,196,212,1,1 7dfl_B_,198,210,1,1 7dfl_B_,200,208,1,1 7dfl_B_,202,205,1,1 7dfl_B_,202,206,1,1 7dfl_B_,203,227,1,1 7dfl_B_,204,206,1,1 7dfl_B_,207,221,1,1 7dfl_B_,208,220,1,1 7dfl_B_,209,218,1,1 7dfl_B_,209,219,1,1 7dfl_B_,211,214,1,1 7dfl_B_,211,215,1,1 7dfl_B_,217,219,1,1 7dfl_B_,217,220,1,1 7dfl_B_,219,254,1,1 7dfl_B_,224,242,1,1 7dfl_B_,224,244,1,1 7dfl_B_,225,246,1,1 7dfl_B_,226,246,1,1 7dfl_B_,229,243,1,1 7dfl_B_,229,272,1,1 7dfl_B_,230,243,1,1 7dfl_B_,232,233,1,1 7dfl_B_,232,241,1,1 7dfl_B_,234,237,1,1 7dfl_B_,238,254,1,1 7dfl_B_,240,252,1,1 7dfl_B_,242,250,1,1 7dfl_B_,244,246,1,1 7dfl_B_,244,248,1,1 7dfl_B_,246,248,1,1 7dfl_B_,249,262,1,1 7dfl_B_,249,263,1,1 7dfl_B_,251,260,1,1 7dfl_B_,251,261,1,1 7dfl_B_,253,255,1,1 7dfl_B_,253,256,1,1 7dfl_B_,253,257,1,1 7dfl_B_,253,258,1,1 7dfl_B_,263,298,1,1 7dfl_B_,265,268,1,1 7dfl_B_,270,271,1,1 7dfl_B_,271,289,1,1 7dfl_B_,273,314,1,1 7dfl_B_,273,315,1,1 7dfl_B_,274,287,1,1 7dfl_B_,276,285,1,1 7dfl_B_,278,281,1,1 7dfl_B_,278,283,1,1 7dfl_B_,282,297,1,1 7dfl_B_,282,298,1,1 7dfl_B_,284,296,1,1 7dfl_B_,286,293,1,1 7dfl_B_,286,294,1,1 7dfl_B_,288,296,1,1 7dfl_B_,290,292,1,1 7dfl_B_,293,294,1,1 7dfl_B_,293,307,1,1 7dfl_B_,297,299,1,1 7dfl_B_,297,301,1,1 7dfl_B_,310,328,1,1 7dfl_B_,310,330,1,1 7dfl_B_,310,332,1,1 7dfl_B_,311,332,1,1 7dfl_B_,312,313,1,1 7dfl_B_,313,331,1,1 7dfl_B_,315,316,1,1 7dfl_B_,315,329,1,1 7dfl_B_,316,329,1,1 7dfl_B_,318,327,1,1 7dfl_B_,320,322,1,1 7dfl_B_,320,323,1,1 7dfl_B_,320,325,1,1 7dfl_B_,326,338,1,1 7dfl_B_,328,336,1,1 7dfl_B_,328,338,1,1 7dfl_B_,330,332,1,1 7dfl_B_,330,333,1,1 7dfl_B_,330,334,1,1 7dfl_B_,332,334,1,1