After looking at the map,IMO the best 7-7 split would be
Region 7-JCS,TCA, Fay. Acad, Middleton, Manassas, Halls, & West Carroll
Region 8-Lake Co, S. Fulton, Union City, Greenfield, Gleason, Bruceton, McKenzie
Probably won't happen this way but this follows a North-South split.