From an applicable 2 x 4.
Ends do your part Walk & Dodge as the Centers do your part
Ends in a 2 x 4.
Determine if you are an End or a Center for the entire formation and
then do your part of the call working Split.
Historically caller used concepts such as
with this call.
They wanted you to evaluate whether you are an End or a Center in the entire
2x4 formation and then do your part of the call working in the given formation.
This usage is typically frowned upon today.