pair,contact1,contact2,flow1,flow2 2exc_X_,2,4,1,1 2exc_X_,2,18,1,1 2exc_X_,3,18,1,1 2exc_X_,5,16,1,1 2exc_X_,5,20,1,1 2exc_X_,6,15,1,1 2exc_X_,7,14,1,1 2exc_X_,8,13,1,1 2exc_X_,9,12,1,1 2exc_X_,13,47,1,1 2exc_X_,15,96,1,1 2exc_X_,19,36,1,1 2exc_X_,19,37,1,1 2exc_X_,20,81,1,1 2exc_X_,21,35,1,1 2exc_X_,24,33,1,1 2exc_X_,27,31,1,1 2exc_X_,30,47,1,1 2exc_X_,32,45,1,1 2exc_X_,34,43,1,1 2exc_X_,35,40,1,1 2exc_X_,36,38,1,1 2exc_X_,36,40,1,1 2exc_X_,36,41,1,1 2exc_X_,42,101,1,1 2exc_X_,44,99,1,1 2exc_X_,46,97,1,1 2exc_X_,48,95,1,1 2exc_X_,49,53,1,1 2exc_X_,50,53,1,1 2exc_X_,50,94,1,1 2exc_X_,54,56,1,1 2exc_X_,54,57,1,1 2exc_X_,54,58,1,1 2exc_X_,55,59,1,1 2exc_X_,55,325,1,1 2exc_X_,56,60,1,1 2exc_X_,57,61,1,1 2exc_X_,58,62,1,1 2exc_X_,59,63,1,1 2exc_X_,59,319,1,1 2exc_X_,60,64,1,1 2exc_X_,62,65,1,1 2exc_X_,62,66,1,1 2exc_X_,62,314,1,1 2exc_X_,63,67,1,1 2exc_X_,63,161,1,1 2exc_X_,64,68,1,1 2exc_X_,64,161,1,1 2exc_X_,65,69,1,1 2exc_X_,66,70,1,1 2exc_X_,67,70,1,1 2exc_X_,67,71,1,1 2exc_X_,69,332,1,1 2exc_X_,69,335,1,1 2exc_X_,73,76,1,1 2exc_X_,74,157,1,1 2exc_X_,75,125,1,1 2exc_X_,75,156,1,1 2exc_X_,75,158,1,1 2exc_X_,77,158,1,1 2exc_X_,80,98,1,1 2exc_X_,81,98,1,1 2exc_X_,83,96,1,1 2exc_X_,84,94,1,1 2exc_X_,86,94,1,1 2exc_X_,87,330,1,1 2exc_X_,88,91,1,1 2exc_X_,89,326,1,1 2exc_X_,90,326,1,1 2exc_X_,103,150,1,1 2exc_X_,103,152,1,1 2exc_X_,104,150,1,1 2exc_X_,105,107,1,1 2exc_X_,105,108,1,1 2exc_X_,106,110,1,1 2exc_X_,106,148,1,1 2exc_X_,108,111,1,1 2exc_X_,109,112,1,1 2exc_X_,110,199,1,1 2exc_X_,115,118,1,1 2exc_X_,115,119,1,1 2exc_X_,116,120,1,1 2exc_X_,116,298,1,1 2exc_X_,117,120,1,1 2exc_X_,117,121,1,1 2exc_X_,118,122,1,1 2exc_X_,119,123,1,1 2exc_X_,120,124,1,1 2exc_X_,120,302,1,1 2exc_X_,121,125,1,1 2exc_X_,122,126,1,1 2exc_X_,123,127,1,1 2exc_X_,124,128,1,1 2exc_X_,124,307,1,1 2exc_X_,125,129,1,1 2exc_X_,125,154,1,1 2exc_X_,125,156,1,1 2exc_X_,126,130,1,1 2exc_X_,127,131,1,1 2exc_X_,128,132,1,1 2exc_X_,129,133,1,1 2exc_X_,130,134,1,1 2exc_X_,131,135,1,1 2exc_X_,131,291,1,1 2exc_X_,132,135,1,1 2exc_X_,133,136,1,1 2exc_X_,133,138,1,1 2exc_X_,134,185,1,1 2exc_X_,139,141,1,1 2exc_X_,140,142,1,1 2exc_X_,140,160,1,1 2exc_X_,140,163,1,1 2exc_X_,140,185,1,1 2exc_X_,141,185,1,1 2exc_X_,142,144,1,1 2exc_X_,142,170,1,1 2exc_X_,144,147,1,1 2exc_X_,144,166,1,1 2exc_X_,145,148,1,1 2exc_X_,147,159,1,1 2exc_X_,149,157,1,1 2exc_X_,151,154,1,1 2exc_X_,151,155,1,1 2exc_X_,153,155,1,1 2exc_X_,160,162,1,1 2exc_X_,167,170,1,1 2exc_X_,169,188,1,1 2exc_X_,169,195,1,1 2exc_X_,170,208,1,1 2exc_X_,171,174,1,1 2exc_X_,171,175,1,1 2exc_X_,172,176,1,1 2exc_X_,173,178,1,1 2exc_X_,173,287,1,1 2exc_X_,174,177,1,1 2exc_X_,181,184,1,1 2exc_X_,182,185,1,1 2exc_X_,183,186,1,1 2exc_X_,183,284,1,1 2exc_X_,183,287,1,1 2exc_X_,184,188,1,1 2exc_X_,185,189,1,1 2exc_X_,186,190,1,1 2exc_X_,187,191,1,1 2exc_X_,188,191,1,1 2exc_X_,188,192,1,1 2exc_X_,189,193,1,1 2exc_X_,190,194,1,1 2exc_X_,191,195,1,1 2exc_X_,192,196,1,1 2exc_X_,193,196,1,1 2exc_X_,193,197,1,1 2exc_X_,194,198,1,1 2exc_X_,195,199,1,1 2exc_X_,198,218,1,1 2exc_X_,198,252,1,1 2exc_X_,206,210,1,1 2exc_X_,207,211,1,1 2exc_X_,208,212,1,1 2exc_X_,209,213,1,1 2exc_X_,210,214,1,1 2exc_X_,211,214,1,1 2exc_X_,211,215,1,1 2exc_X_,212,216,1,1 2exc_X_,213,217,1,1 2exc_X_,213,241,1,1 2exc_X_,214,218,1,1 2exc_X_,215,218,1,1 2exc_X_,215,219,1,1 2exc_X_,216,220,1,1 2exc_X_,221,244,1,1 2exc_X_,223,225,1,1 2exc_X_,224,228,1,1 2exc_X_,226,229,1,1 2exc_X_,227,230,1,1 2exc_X_,229,283,1,1 2exc_X_,231,235,1,1 2exc_X_,232,236,1,1 2exc_X_,233,237,1,1 2exc_X_,234,238,1,1 2exc_X_,235,239,1,1 2exc_X_,236,240,1,1 2exc_X_,238,241,1,1 2exc_X_,248,252,1,1 2exc_X_,249,253,1,1 2exc_X_,253,273,1,1 2exc_X_,255,258,1,1 2exc_X_,255,273,1,1 2exc_X_,261,262,1,1 2exc_X_,261,265,1,1 2exc_X_,262,266,1,1 2exc_X_,263,267,1,1 2exc_X_,264,268,1,1 2exc_X_,265,269,1,1 2exc_X_,266,270,1,1 2exc_X_,267,270,1,1 2exc_X_,267,271,1,1 2exc_X_,268,271,1,1 2exc_X_,268,272,1,1 2exc_X_,268,297,1,1 2exc_X_,269,273,1,1 2exc_X_,270,274,1,1 2exc_X_,271,275,1,1 2exc_X_,271,296,1,1 2exc_X_,272,276,1,1 2exc_X_,273,277,1,1 2exc_X_,274,277,1,1 2exc_X_,274,278,1,1 2exc_X_,275,278,1,1 2exc_X_,275,279,1,1 2exc_X_,276,280,1,1 2exc_X_,278,288,1,1 2exc_X_,279,281,1,1 2exc_X_,281,287,1,1 2exc_X_,283,285,1,1 2exc_X_,283,286,1,1 2exc_X_,289,292,1,1 2exc_X_,289,293,1,1 2exc_X_,292,295,1,1 2exc_X_,292,296,1,1 2exc_X_,296,299,1,1 2exc_X_,296,300,1,1 2exc_X_,299,302,1,1 2exc_X_,300,303,1,1 2exc_X_,303,309,1,1 2exc_X_,304,306,1,1 2exc_X_,304,307,1,1 2exc_X_,304,308,1,1 2exc_X_,305,309,1,1 2exc_X_,321,324,1,1 2exc_X_,321,325,1,1 2exc_X_,323,327,1,1 2exc_X_,324,328,1,1 2exc_X_,325,329,1,1 2exc_X_,326,330,1,1 2exc_X_,327,331,1,1 2exc_X_,328,332,1,1 2exc_X_,329,333,1,1 2exc_X_,330,334,1,1