pair,contact1,contact2,flow1,flow2 6xby_I_,1,4,1,1 6xby_I_,1,5,1,1 6xby_I_,2,6,1,1 6xby_I_,4,8,1,1 6xby_I_,5,9,1,1 6xby_I_,6,10,1,1 6xby_I_,7,11,1,1 6xby_I_,8,12,1,1 6xby_I_,9,13,1,1 6xby_I_,10,14,1,1 6xby_I_,11,15,1,1 6xby_I_,12,16,1,1 6xby_I_,13,17,1,1 6xby_I_,14,18,1,1 6xby_I_,15,19,1,1 6xby_I_,17,21,1,1 6xby_I_,23,27,1,1 6xby_I_,24,28,1,1 6xby_I_,25,29,1,1 6xby_I_,28,31,1,1 6xby_I_,28,32,1,1 6xby_I_,29,33,1,1 6xby_I_,32,36,1,1 6xby_I_,33,37,1,1 6xby_I_,34,38,1,1 6xby_I_,35,39,1,1 6xby_I_,36,40,1,1 6xby_I_,37,41,1,1 6xby_I_,38,42,1,1 6xby_I_,39,43,1,1 6xby_I_,41,45,1,1 6xby_I_,44,48,1,1 6xby_I_,46,50,1,1 6xby_I_,47,51,1,1 6xby_I_,49,53,1,1 6xby_I_,51,54,1,1 6xby_I_,52,55,1,1 6xby_I_,52,56,1,1 6xby_I_,56,60,1,1 6xby_I_,57,61,1,1 6xby_I_,58,62,1,1 6xby_I_,59,63,1,1 6xby_I_,60,64,1,1 6xby_I_,61,65,1,1 6xby_I_,62,66,1,1 6xby_I_,63,67,1,1 6xby_I_,64,68,1,1 6xby_I_,65,68,1,1 6xby_I_,65,69,1,1 6xby_I_,66,70,1,1 6xby_I_,67,71,1,1 6xby_I_,68,72,1,1 6xby_I_,69,73,1,1 6xby_I_,70,74,1,1 6xby_I_,71,75,1,1 6xby_I_,72,75,1,1 6xby_I_,72,76,1,1 6xby_I_,73,77,1,1 6xby_I_,75,79,1,1 6xby_I_,76,80,1,1 6xby_I_,77,81,1,1 6xby_I_,79,82,1,1 6xby_I_,80,83,1,1 6xby_I_,83,86,1,1 6xby_I_,83,87,1,1 6xby_I_,86,90,1,1 6xby_I_,87,91,1,1 6xby_I_,88,92,1,1 6xby_I_,89,93,1,1 6xby_I_,90,94,1,1 6xby_I_,91,95,1,1 6xby_I_,92,96,1,1 6xby_I_,93,96,1,1 6xby_I_,93,97,1,1 6xby_I_,95,98,1,1 6xby_I_,97,101,1,1 6xby_I_,99,102,1,1 6xby_I_,102,104,1,1 6xby_I_,103,106,1,1 6xby_I_,103,107,1,1 6xby_I_,104,108,1,1 6xby_I_,106,110,1,1 6xby_I_,107,111,1,1 6xby_I_,107,132,1,1 6xby_I_,107,135,1,1 6xby_I_,110,113,1,1 6xby_I_,110,114,1,1 6xby_I_,112,116,1,1 6xby_I_,113,117,1,1 6xby_I_,115,119,1,1 6xby_I_,116,120,1,1 6xby_I_,117,121,1,1 6xby_I_,117,189,1,1 6xby_I_,118,122,1,1 6xby_I_,119,123,1,1 6xby_I_,127,159,1,1 6xby_I_,128,179,1,1 6xby_I_,129,161,1,1 6xby_I_,130,177,1,1 6xby_I_,131,135,1,1 6xby_I_,131,168,1,1 6xby_I_,131,175,1,1 6xby_I_,134,170,1,1 6xby_I_,135,139,1,1 6xby_I_,138,142,1,1 6xby_I_,139,143,1,1 6xby_I_,140,144,1,1 6xby_I_,141,145,1,1 6xby_I_,142,146,1,1 6xby_I_,146,150,1,1 6xby_I_,147,151,1,1 6xby_I_,149,152,1,1 6xby_I_,149,153,1,1 6xby_I_,150,154,1,1 6xby_I_,157,158,1,1 6xby_I_,169,172,1,1 6xby_I_,176,189,1,1 6xby_I_,177,179,1,1 6xby_I_,177,188,1,1 6xby_I_,178,187,1,1 6xby_I_,180,183,1,1 6xby_I_,180,184,1,1 6xby_I_,180,185,1,1 6xby_I_,182,184,1,1 6xby_I_,188,193,1,1 6xby_I_,190,193,1,1 6xby_I_,190,194,1,1 6xby_I_,193,197,1,1 6xby_I_,195,199,1,1 6xby_I_,198,202,1,1 6xby_I_,200,203,1,1 6xby_I_,202,206,1,1 6xby_I_,204,208,1,1 6xby_I_,205,209,1,1 6xby_I_,207,210,1,1 6xby_I_,207,211,1,1 6xby_I_,214,216,1,1