pair,contact1,contact2,flow1,flow2
3dfv_C_,2,5,1,1
3dfv_C_,5,13,1,1
3dfv_C_,6,11,1,1
3dfv_C_,7,12,1,1
3dfv_C_,8,26,1,1
3dfv_C_,9,31,1,1
3dfv_C_,9,42,1,1
3dfv_C_,10,47,1,1
3dfv_C_,19,27,1,1
3dfv_C_,19,29,1,1
3dfv_C_,21,23,1,1
3dfv_C_,21,24,1,1
3dfv_C_,21,25,1,1
3dfv_C_,28,32,1,1
3dfv_C_,29,33,1,1
3dfv_C_,30,34,1,1
3dfv_C_,31,35,1,1
3dfv_C_,32,36,1,1
3dfv_C_,33,37,1,1
3dfv_C_,34,38,1,1
3dfv_C_,35,39,1,1
3dfv_C_,43,46,1,1
3dfv_C_,44,47,1,1