Fix gathered output with non-rectangular geometry
Fix gathered output with non-rectangular geometry

If we don't have a nice rectangular count of systems,
the last row must tolerate index error in column.

jjohnson42/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent