Im lvl 9 atm and im using 2 types of formation:

____ST-ST

__ML--MC--MR
______ DMC
__DL--DC-DC--DR


_____ST
__AMC-AMC
_ML--MC--MR
____DMC
_DL--DC--DR

They work well but is there any formation+settings you would like to share or improve my team+settings