pair,contact1,contact2,flow1,flow2 6xbw_I_,3,7,1,1 6xbw_I_,4,8,1,1 6xbw_I_,5,9,1,1 6xbw_I_,6,10,1,1 6xbw_I_,8,12,1,1 6xbw_I_,9,13,1,1 6xbw_I_,10,14,1,1 6xbw_I_,11,15,1,1 6xbw_I_,12,16,1,1 6xbw_I_,13,17,1,1 6xbw_I_,14,18,1,1 6xbw_I_,15,19,1,1 6xbw_I_,16,20,1,1 6xbw_I_,17,20,1,1 6xbw_I_,17,21,1,1 6xbw_I_,24,27,1,1 6xbw_I_,24,28,1,1 6xbw_I_,25,29,1,1 6xbw_I_,28,32,1,1 6xbw_I_,29,33,1,1 6xbw_I_,30,34,1,1 6xbw_I_,31,35,1,1 6xbw_I_,32,36,1,1 6xbw_I_,33,37,1,1 6xbw_I_,34,38,1,1 6xbw_I_,35,39,1,1 6xbw_I_,36,40,1,1 6xbw_I_,37,41,1,1 6xbw_I_,38,42,1,1 6xbw_I_,39,43,1,1 6xbw_I_,44,48,1,1 6xbw_I_,46,50,1,1 6xbw_I_,48,52,1,1 6xbw_I_,49,53,1,1 6xbw_I_,51,54,1,1 6xbw_I_,51,55,1,1 6xbw_I_,52,56,1,1 6xbw_I_,54,58,1,1 6xbw_I_,56,60,1,1 6xbw_I_,57,61,1,1 6xbw_I_,58,62,1,1 6xbw_I_,59,63,1,1 6xbw_I_,60,63,1,1 6xbw_I_,60,64,1,1 6xbw_I_,61,65,1,1 6xbw_I_,62,66,1,1 6xbw_I_,63,67,1,1 6xbw_I_,64,68,1,1 6xbw_I_,65,69,1,1 6xbw_I_,66,70,1,1 6xbw_I_,67,70,1,1 6xbw_I_,67,71,1,1 6xbw_I_,68,72,1,1 6xbw_I_,69,73,1,1 6xbw_I_,70,74,1,1 6xbw_I_,71,75,1,1 6xbw_I_,72,76,1,1 6xbw_I_,73,77,1,1 6xbw_I_,74,78,1,1 6xbw_I_,75,79,1,1 6xbw_I_,76,80,1,1 6xbw_I_,77,81,1,1 6xbw_I_,78,82,1,1 6xbw_I_,79,82,1,1 6xbw_I_,80,83,1,1 6xbw_I_,83,86,1,1 6xbw_I_,83,87,1,1 6xbw_I_,84,88,1,1 6xbw_I_,86,90,1,1 6xbw_I_,87,91,1,1 6xbw_I_,88,92,1,1 6xbw_I_,89,93,1,1 6xbw_I_,90,94,1,1 6xbw_I_,91,95,1,1 6xbw_I_,92,96,1,1 6xbw_I_,93,97,1,1 6xbw_I_,95,98,1,1 6xbw_I_,97,101,1,1 6xbw_I_,98,102,1,1 6xbw_I_,104,108,1,1 6xbw_I_,105,109,1,1 6xbw_I_,106,110,1,1 6xbw_I_,107,111,1,1 6xbw_I_,107,135,1,1 6xbw_I_,107,175,1,1 6xbw_I_,108,112,1,1 6xbw_I_,110,114,1,1 6xbw_I_,111,115,1,1 6xbw_I_,112,116,1,1 6xbw_I_,113,117,1,1 6xbw_I_,114,189,1,1 6xbw_I_,115,119,1,1 6xbw_I_,116,120,1,1 6xbw_I_,119,122,1,1 6xbw_I_,119,123,1,1 6xbw_I_,120,149,1,1 6xbw_I_,127,161,1,1 6xbw_I_,128,179,1,1 6xbw_I_,129,161,1,1 6xbw_I_,129,163,1,1 6xbw_I_,130,177,1,1 6xbw_I_,131,132,1,1 6xbw_I_,131,168,1,1 6xbw_I_,132,170,1,1 6xbw_I_,134,170,1,1 6xbw_I_,135,139,1,1 6xbw_I_,136,140,1,1 6xbw_I_,138,142,1,1 6xbw_I_,139,143,1,1 6xbw_I_,140,144,1,1 6xbw_I_,141,145,1,1 6xbw_I_,142,146,1,1 6xbw_I_,143,146,1,1 6xbw_I_,147,151,1,1 6xbw_I_,149,152,1,1 6xbw_I_,149,153,1,1 6xbw_I_,150,154,1,1 6xbw_I_,163,166,1,1 6xbw_I_,163,183,1,1 6xbw_I_,173,192,1,1 6xbw_I_,174,191,1,1 6xbw_I_,176,189,1,1 6xbw_I_,178,187,1,1 6xbw_I_,180,185,1,1 6xbw_I_,188,193,1,1 6xbw_I_,190,193,1,1 6xbw_I_,190,194,1,1 6xbw_I_,191,195,1,1 6xbw_I_,194,198,1,1 6xbw_I_,195,199,1,1 6xbw_I_,196,200,1,1 6xbw_I_,197,201,1,1 6xbw_I_,202,205,1,1 6xbw_I_,202,206,1,1 6xbw_I_,204,208,1,1 6xbw_I_,205,209,1,1 6xbw_I_,207,211,1,1 6xbw_I_,214,216,1,1