pair,contact1,contact2,flow1,flow2 4hrg_A_,3,6,1,1 4hrg_A_,3,7,1,1 4hrg_A_,4,8,1,1 4hrg_A_,5,9,1,1 4hrg_A_,6,10,1,1 4hrg_A_,7,11,1,1 4hrg_A_,8,12,1,1 4hrg_A_,9,13,1,1 4hrg_A_,10,14,1,1 4hrg_A_,11,15,1,1 4hrg_A_,12,16,1,1 4hrg_A_,13,17,1,1 4hrg_A_,14,18,1,1 4hrg_A_,15,19,1,1 4hrg_A_,16,20,1,1 4hrg_A_,17,21,1,1 4hrg_A_,20,23,1,1 4hrg_A_,21,24,1,1 4hrg_A_,23,25,1,1 4hrg_A_,23,30,1,1 4hrg_A_,26,67,1,1 4hrg_A_,27,30,1,1 4hrg_A_,27,31,1,1 4hrg_A_,28,32,1,1 4hrg_A_,28,53,1,1 4hrg_A_,29,32,1,1 4hrg_A_,29,33,1,1 4hrg_A_,30,34,1,1 4hrg_A_,31,35,1,1 4hrg_A_,32,36,1,1 4hrg_A_,33,37,1,1 4hrg_A_,34,38,1,1 4hrg_A_,35,39,1,1 4hrg_A_,39,42,1,1 4hrg_A_,41,45,1,1 4hrg_A_,42,46,1,1 4hrg_A_,43,46,1,1 4hrg_A_,45,109,1,1 4hrg_A_,46,111,1,1 4hrg_A_,48,50,1,1 4hrg_A_,48,51,1,1 4hrg_A_,48,54,1,1 4hrg_A_,50,54,1,1 4hrg_A_,51,55,1,1 4hrg_A_,52,56,1,1 4hrg_A_,53,57,1,1 4hrg_A_,54,58,1,1 4hrg_A_,55,58,1,1 4hrg_A_,56,62,1,1 4hrg_A_,60,71,1,1 4hrg_A_,61,71,1,1 4hrg_A_,62,66,1,1 4hrg_A_,68,72,1,1 4hrg_A_,69,73,1,1 4hrg_A_,70,74,1,1 4hrg_A_,71,74,1,1 4hrg_A_,71,75,1,1 4hrg_A_,72,76,1,1 4hrg_A_,73,77,1,1 4hrg_A_,74,78,1,1 4hrg_A_,75,79,1,1 4hrg_A_,76,80,1,1 4hrg_A_,77,81,1,1 4hrg_A_,78,82,1,1 4hrg_A_,79,83,1,1 4hrg_A_,80,84,1,1 4hrg_A_,81,85,1,1 4hrg_A_,82,86,1,1 4hrg_A_,83,87,1,1 4hrg_A_,84,88,1,1 4hrg_A_,85,89,1,1 4hrg_A_,86,90,1,1 4hrg_A_,87,91,1,1 4hrg_A_,87,92,1,1 4hrg_A_,91,94,1,1 4hrg_A_,95,97,1,1 4hrg_A_,99,103,1,1 4hrg_A_,102,106,1,1 4hrg_A_,103,107,1,1 4hrg_A_,104,108,1,1 4hrg_A_,106,109,1,1 4hrg_A_,107,110,1,1 4hrg_A_,108,111,1,1