------ST----ST------
AML-------------AMR
----MC--MC--MC----
---------------------
----DC--DC--DC-----
------(Down)--------
--------GK----------
with blue arrow on the middle MC
------ST----ST------
AML-------------AMR
----MC--MC--MC----
---------------------
----DC--DC--DC-----
------(Down)--------
--------GK----------
with blue arrow on the middle MC