pair,contact1,contact2,flow1,flow2 3n54_B_,6,28,1,1 3n54_B_,8,28,1,1 3n54_B_,10,26,1,1 3n54_B_,12,24,1,1 3n54_B_,14,22,1,1 3n54_B_,16,18,1,1 3n54_B_,16,19,1,1 3n54_B_,16,20,1,1 3n54_B_,21,49,1,1 3n54_B_,23,47,1,1 3n54_B_,25,44,1,1 3n54_B_,25,45,1,1 3n54_B_,27,41,1,1 3n54_B_,27,42,1,1 3n54_B_,29,39,1,1 3n54_B_,35,38,1,1 3n54_B_,36,39,1,1 3n54_B_,42,43,1,1 3n54_B_,52,55,1,1 3n54_B_,52,56,1,1 3n54_B_,53,57,1,1 3n54_B_,54,58,1,1 3n54_B_,66,93,1,1 3n54_B_,66,98,1,1 3n54_B_,67,99,1,1 3n54_B_,69,99,1,1 3n54_B_,69,101,1,1 3n54_B_,71,101,1,1 3n54_B_,71,103,1,1 3n54_B_,72,76,1,1 3n54_B_,73,77,1,1 3n54_B_,73,105,1,1 3n54_B_,74,78,1,1 3n54_B_,75,78,1,1 3n54_B_,75,79,1,1 3n54_B_,76,164,1,1 3n54_B_,78,163,1,1 3n54_B_,80,83,1,1 3n54_B_,80,84,1,1 3n54_B_,80,162,1,1 3n54_B_,81,85,1,1 3n54_B_,81,162,1,1 3n54_B_,82,86,1,1 3n54_B_,82,128,1,1 3n54_B_,83,87,1,1 3n54_B_,84,88,1,1 3n54_B_,85,89,1,1 3n54_B_,90,92,1,1 3n54_B_,90,93,1,1 3n54_B_,91,94,1,1 3n54_B_,95,98,1,1 3n54_B_,96,125,1,1 3n54_B_,97,123,1,1 3n54_B_,98,124,1,1 3n54_B_,100,122,1,1 3n54_B_,102,140,1,1 3n54_B_,102,142,1,1 3n54_B_,104,142,1,1 3n54_B_,104,152,1,1 3n54_B_,106,109,1,1 3n54_B_,107,110,1,1 3n54_B_,119,122,1,1 3n54_B_,119,140,1,1 3n54_B_,123,127,1,1 3n54_B_,124,128,1,1 3n54_B_,125,129,1,1 3n54_B_,126,130,1,1 3n54_B_,127,131,1,1 3n54_B_,128,132,1,1 3n54_B_,129,133,1,1 3n54_B_,130,133,1,1 3n54_B_,130,135,1,1 3n54_B_,131,134,1,1 3n54_B_,131,162,1,1 3n54_B_,134,159,1,1 3n54_B_,135,275,1,1 3n54_B_,136,159,1,1 3n54_B_,136,268,1,1 3n54_B_,137,157,1,1 3n54_B_,139,155,1,1 3n54_B_,140,141,1,1 3n54_B_,141,152,1,1 3n54_B_,141,153,1,1 3n54_B_,143,150,1,1 3n54_B_,145,148,1,1 3n54_B_,154,168,1,1 3n54_B_,156,165,1,1 3n54_B_,156,166,1,1 3n54_B_,158,161,1,1 3n54_B_,158,162,1,1 3n54_B_,158,163,1,1 3n54_B_,158,266,1,1 3n54_B_,159,161,1,1 3n54_B_,159,269,1,1 3n54_B_,161,163,1,1 3n54_B_,169,172,1,1 3n54_B_,169,173,1,1 3n54_B_,170,174,1,1 3n54_B_,171,175,1,1 3n54_B_,172,176,1,1 3n54_B_,173,177,1,1 3n54_B_,174,178,1,1 3n54_B_,174,187,1,1 3n54_B_,175,179,1,1 3n54_B_,176,180,1,1 3n54_B_,177,182,1,1 3n54_B_,178,181,1,1 3n54_B_,178,225,1,1 3n54_B_,179,206,1,1 3n54_B_,186,201,1,1 3n54_B_,188,199,1,1 3n54_B_,190,191,1,1 3n54_B_,190,197,1,1 3n54_B_,192,195,1,1 3n54_B_,192,242,1,1 3n54_B_,198,230,1,1 3n54_B_,200,228,1,1 3n54_B_,202,226,1,1 3n54_B_,203,226,1,1 3n54_B_,204,224,1,1 3n54_B_,204,225,1,1 3n54_B_,205,224,1,1 3n54_B_,207,222,1,1 3n54_B_,208,280,1,1 3n54_B_,209,220,1,1 3n54_B_,210,281,1,1 3n54_B_,211,218,1,1 3n54_B_,213,216,1,1 3n54_B_,215,284,1,1 3n54_B_,217,300,1,1 3n54_B_,219,300,1,1 3n54_B_,219,302,1,1 3n54_B_,221,302,1,1 3n54_B_,221,304,1,1 3n54_B_,223,304,1,1 3n54_B_,223,306,1,1 3n54_B_,225,306,1,1 3n54_B_,225,308,1,1 3n54_B_,227,308,1,1 3n54_B_,227,310,1,1 3n54_B_,231,232,1,1 3n54_B_,236,237,1,1 3n54_B_,236,240,1,1 3n54_B_,238,242,1,1 3n54_B_,239,243,1,1 3n54_B_,240,244,1,1 3n54_B_,241,245,1,1 3n54_B_,242,246,1,1 3n54_B_,243,247,1,1 3n54_B_,244,248,1,1 3n54_B_,244,309,1,1 3n54_B_,245,249,1,1 3n54_B_,246,250,1,1 3n54_B_,247,251,1,1 3n54_B_,248,252,1,1 3n54_B_,248,307,1,1 3n54_B_,249,253,1,1 3n54_B_,250,254,1,1 3n54_B_,251,255,1,1 3n54_B_,252,256,1,1 3n54_B_,253,257,1,1 3n54_B_,254,258,1,1 3n54_B_,255,259,1,1 3n54_B_,256,260,1,1 3n54_B_,257,261,1,1 3n54_B_,258,262,1,1 3n54_B_,259,263,1,1 3n54_B_,260,264,1,1 3n54_B_,261,265,1,1 3n54_B_,261,266,1,1 3n54_B_,262,268,1,1 3n54_B_,263,296,1,1 3n54_B_,263,297,1,1 3n54_B_,263,299,1,1 3n54_B_,268,293,1,1 3n54_B_,269,271,1,1 3n54_B_,269,273,1,1 3n54_B_,269,274,1,1 3n54_B_,269,292,1,1 3n54_B_,269,293,1,1 3n54_B_,272,275,1,1 3n54_B_,273,276,1,1 3n54_B_,274,277,1,1 3n54_B_,274,278,1,1 3n54_B_,275,279,1,1 3n54_B_,276,280,1,1 3n54_B_,277,281,1,1 3n54_B_,281,285,1,1 3n54_B_,282,286,1,1 3n54_B_,284,287,1,1 3n54_B_,284,288,1,1 3n54_B_,285,289,1,1 3n54_B_,288,291,1,1 3n54_B_,291,295,1,1 3n54_B_,292,296,1,1 3n54_B_,293,297,1,1 3n54_B_,295,298,1,1 3n54_B_,295,299,1,1 3n54_B_,296,299,1,1