pair,contact1,contact2,flow1,flow2 7use_E_,1,3,1,1 7use_E_,1,4,1,1 7use_E_,2,6,1,1 7use_E_,3,7,1,1 7use_E_,4,8,1,1 7use_E_,5,9,1,1 7use_E_,11,15,1,1 7use_E_,11,71,1,1 7use_E_,12,16,1,1 7use_E_,13,17,1,1 7use_E_,14,18,1,1 7use_E_,15,19,1,1 7use_E_,16,20,1,1 7use_E_,17,21,1,1 7use_E_,18,22,1,1 7use_E_,19,23,1,1 7use_E_,20,24,1,1 7use_E_,21,24,1,1 7use_E_,21,25,1,1 7use_E_,22,26,1,1 7use_E_,23,27,1,1 7use_E_,24,25,1,1 7use_E_,24,28,1,1 7use_E_,25,28,1,1 7use_E_,25,29,1,1 7use_E_,26,30,1,1 7use_E_,27,31,1,1 7use_E_,28,32,1,1 7use_E_,29,33,1,1 7use_E_,30,33,1,1 7use_E_,30,34,1,1 7use_E_,31,35,1,1 7use_E_,32,36,1,1 7use_E_,33,37,1,1 7use_E_,34,38,1,1 7use_E_,35,39,1,1 7use_E_,36,40,1,1 7use_E_,39,40,1,1 7use_E_,40,43,1,1 7use_E_,41,43,1,1 7use_E_,42,44,1,1 7use_E_,43,47,1,1 7use_E_,44,48,1,1 7use_E_,45,49,1,1 7use_E_,46,50,1,1 7use_E_,47,51,1,1 7use_E_,48,52,1,1 7use_E_,49,53,1,1 7use_E_,50,54,1,1 7use_E_,51,55,1,1 7use_E_,52,55,1,1 7use_E_,52,56,1,1 7use_E_,53,57,1,1 7use_E_,54,57,1,1 7use_E_,54,58,1,1 7use_E_,55,59,1,1 7use_E_,56,60,1,1 7use_E_,57,61,1,1 7use_E_,58,62,1,1 7use_E_,59,63,1,1 7use_E_,60,64,1,1 7use_E_,61,65,1,1 7use_E_,62,66,1,1 7use_E_,63,67,1,1 7use_E_,64,68,1,1 7use_E_,65,69,1,1 7use_E_,66,70,1,1 7use_E_,67,71,1,1 7use_E_,68,72,1,1 7use_E_,69,73,1,1 7use_E_,70,74,1,1 7use_E_,71,75,1,1 7use_E_,72,76,1,1 7use_E_,73,77,1,1 7use_E_,74,78,1,1 7use_E_,75,79,1,1 7use_E_,76,80,1,1 7use_E_,77,81,1,1 7use_E_,78,81,1,1 7use_E_,78,82,1,1 7use_E_,79,83,1,1 7use_E_,80,84,1,1 7use_E_,81,85,1,1 7use_E_,82,86,1,1 7use_E_,83,87,1,1 7use_E_,84,88,1,1 7use_E_,85,88,1,1 7use_E_,85,89,1,1 7use_E_,86,90,1,1 7use_E_,87,91,1,1 7use_E_,88,92,1,1 7use_E_,89,93,1,1 7use_E_,90,94,1,1 7use_E_,91,95,1,1 7use_E_,92,96,1,1 7use_E_,93,97,1,1 7use_E_,94,98,1,1 7use_E_,95,99,1,1 7use_E_,96,100,1,1 7use_E_,97,101,1,1 7use_E_,98,102,1,1 7use_E_,99,103,1,1 7use_E_,100,104,1,1 7use_E_,101,105,1,1 7use_E_,102,106,1,1 7use_E_,103,107,1,1 7use_E_,104,108,1,1 7use_E_,105,109,1,1 7use_E_,106,110,1,1 7use_E_,109,112,1,1 7use_E_,109,113,1,1 7use_E_,110,113,1,1 7use_E_,142,144,1,1 7use_E_,146,149,1,1