how to beat a 3 - 3 - 3 - 1 ?
-----ST-----
AML--AMC-AMR
DML-DMC-DMR-
--DC-DC-DC--
----GK------
thought about the "Narrow Diamond" with an AMR(UP)
----ST---ST----
-------------AMR(Up)
----MC---MC---
-----DMC-----
DL--DC--DC--DR <----- all blue arrows? or reds to DL/DR?
------GK----