How to counter 3w-2 (dml/dmr)-1mc-2 amc-2 st

How to play against this

---st---st---
--amc-amc--
-----mc-----
dml-----dmr
dl---dc---dr
-----gk-----

4-2-2-2, 4-3-1-2, 3n-dml/dmr-3n-amc-st, 3-5-2 flat

use a formation that attacks the middle, using an AMC