pair,contact1,contact2,flow1,flow2 2f21_A_,1,4,1,1 2f21_A_,5,35,1,1 2f21_A_,6,37,1,1 2f21_A_,8,11,1,1 2f21_A_,9,25,1,1 2f21_A_,10,26,1,1 2f21_A_,12,14,1,1 2f21_A_,12,24,1,1 2f21_A_,14,22,1,1 2f21_A_,16,18,1,1 2f21_A_,16,19,1,1 2f21_A_,16,20,1,1 2f21_A_,23,32,1,1 2f21_A_,25,27,1,1 2f21_A_,25,28,1,1 2f21_A_,25,29,1,1 2f21_A_,25,30,1,1 2f21_A_,28,30,1,1 2f21_A_,28,138,1,1 2f21_A_,29,139,1,1 2f21_A_,31,87,1,1 2f21_A_,32,34,1,1 2f21_A_,35,37,1,1 2f21_A_,36,132,1,1 2f21_A_,41,117,1,1 2f21_A_,44,114,1,1 2f21_A_,45,115,1,1 2f21_A_,46,111,1,1 2f21_A_,46,152,1,1 2f21_A_,46,153,1,1 2f21_A_,47,112,1,1 2f21_A_,47,128,1,1 2f21_A_,48,150,1,1 2f21_A_,49,110,1,1 2f21_A_,50,148,1,1 2f21_A_,51,101,1,1 2f21_A_,51,102,1,1 2f21_A_,52,146,1,1 2f21_A_,53,59,1,1 2f21_A_,53,61,1,1 2f21_A_,53,70,1,1 2f21_A_,53,102,1,1 2f21_A_,54,56,1,1 2f21_A_,54,57,1,1 2f21_A_,55,56,1,1 2f21_A_,55,70,1,1 2f21_A_,57,144,1,1 2f21_A_,58,143,1,1 2f21_A_,59,61,1,1 2f21_A_,60,68,1,1 2f21_A_,61,66,1,1 2f21_A_,62,64,1,1 2f21_A_,62,65,1,1 2f21_A_,62,102,1,1 2f21_A_,63,101,1,1 2f21_A_,64,99,1,1 2f21_A_,70,102,1,1 2f21_A_,71,74,1,1 2f21_A_,71,75,1,1 2f21_A_,72,76,1,1 2f21_A_,73,77,1,1 2f21_A_,74,78,1,1 2f21_A_,75,79,1,1 2f21_A_,76,80,1,1 2f21_A_,77,81,1,1 2f21_A_,78,82,1,1 2f21_A_,79,83,1,1 2f21_A_,80,84,1,1 2f21_A_,81,85,1,1 2f21_A_,82,86,1,1 2f21_A_,83,87,1,1 2f21_A_,84,88,1,1 2f21_A_,85,88,1,1 2f21_A_,85,89,1,1 2f21_A_,85,91,1,1 2f21_A_,86,89,1,1 2f21_A_,88,90,1,1 2f21_A_,92,95,1,1 2f21_A_,92,96,1,1 2f21_A_,93,97,1,1 2f21_A_,94,98,1,1 2f21_A_,95,98,1,1 2f21_A_,95,99,1,1 2f21_A_,96,100,1,1 2f21_A_,97,101,1,1 2f21_A_,101,103,1,1 2f21_A_,103,106,1,1 2f21_A_,104,107,1,1 2f21_A_,105,108,1,1 2f21_A_,105,110,1,1 2f21_A_,105,111,1,1 2f21_A_,106,109,1,1 2f21_A_,108,111,1,1 2f21_A_,111,113,1,1 2f21_A_,116,119,1,1 2f21_A_,117,125,1,1 2f21_A_,117,126,1,1 2f21_A_,118,125,1,1 2f21_A_,121,125,1,1 2f21_A_,121,143,1,1 2f21_A_,121,144,1,1 2f21_A_,122,126,1,1 2f21_A_,123,127,1,1 2f21_A_,124,128,1,1 2f21_A_,125,129,1,1 2f21_A_,127,130,1,1 2f21_A_,128,131,1,1 2f21_A_,131,151,1,1 2f21_A_,132,135,1,1 2f21_A_,134,151,1,1 2f21_A_,135,151,1,1 2f21_A_,137,138,1,1 2f21_A_,137,149,1,1 2f21_A_,140,147,1,1 2f21_A_,142,144,1,1 2f21_A_,142,145,1,1 2f21_A_,151,153,1,1