i would just do singles of alot of things you could do like 15-20 single large cichlids in there
like
1 cuban
1 midas
1 barred midas
1 vieja macuilada
1 vieja argentea
1 jag
1 rtm
1texas
1 female festae
1 black nasty
1 trimac
1 grammodes
1 vieja synspilum
1 red devil