pair,contact1,contact2,flow1,flow2 1chv_S_,1,14,1,1 1chv_S_,1,38,1,1 1chv_S_,1,57,1,1 1chv_S_,2,57,1,1 1chv_S_,3,12,1,1 1chv_S_,3,57,1,1 1chv_S_,3,60,1,1 1chv_S_,4,11,1,1 1chv_S_,5,13,1,1 1chv_S_,6,36,1,1 1chv_S_,11,12,1,1 1chv_S_,17,18,1,1 1chv_S_,18,39,1,1 1chv_S_,19,40,1,1 1chv_S_,21,54,1,1 1chv_S_,22,37,1,1 1chv_S_,24,34,1,1 1chv_S_,24,35,1,1 1chv_S_,25,50,1,1 1chv_S_,26,32,1,1 1chv_S_,33,36,1,1 1chv_S_,36,60,1,1 1chv_S_,44,45,1,1 1chv_S_,46,49,1,1 1chv_S_,54,56,1,1 1chv_S_,55,56,1,1