pair,contact1,contact2,flow1,flow2
4tnh_E_,3,5,1,1
4tnh_E_,7,10,1,1
4tnh_E_,7,11,1,1
4tnh_E_,8,12,1,1
4tnh_E_,9,13,1,1
4tnh_E_,10,13,1,1
4tnh_E_,10,14,1,1
4tnh_E_,11,14,1,1
4tnh_E_,15,19,1,1
4tnh_E_,16,20,1,1
4tnh_E_,17,21,1,1
4tnh_E_,18,22,1,1
4tnh_E_,20,23,1,1
4tnh_E_,20,24,1,1
4tnh_E_,21,25,1,1
4tnh_E_,23,27,1,1
4tnh_E_,24,28,1,1
4tnh_E_,25,29,1,1
4tnh_E_,26,30,1,1
4tnh_E_,27,31,1,1
4tnh_E_,28,32,1,1
4tnh_E_,29,33,1,1
4tnh_E_,30,34,1,1
4tnh_E_,31,35,1,1
4tnh_E_,32,36,1,1
4tnh_E_,33,36,1,1
4tnh_E_,33,37,1,1
4tnh_E_,34,38,1,1
4tnh_E_,35,41,1,1
4tnh_E_,36,39,1,1
4tnh_E_,40,43,1,1
4tnh_E_,40,44,1,1
4tnh_E_,41,45,1,1
4tnh_E_,49,52,1,1
4tnh_E_,51,52,1,1
4tnh_E_,55,58,1,1
4tnh_E_,58,82,1,1
4tnh_E_,60,61,1,1
4tnh_E_,61,63,1,1
4tnh_E_,65,73,1,1
4tnh_E_,66,69,1,1
4tnh_E_,67,70,1,1
4tnh_E_,69,73,1,1
4tnh_E_,70,74,1,1
4tnh_E_,71,75,1,1
4tnh_E_,72,76,1,1
4tnh_E_,73,77,1,1
4tnh_E_,74,77,1,1
4tnh_E_,74,78,1,1
4tnh_E_,75,79,1,1
4tnh_E_,76,79,1,1
4tnh_E_,77,80,1,1
4tnh_E_,79,81,1,1