This should be focus. Get it out before they do.
[Clas-1, 2, 3] Clas is not all capitals and it also has a - meaning this might not be connected to the rest.
[CLAS 23-41] All CAPS no -
[CLAS 1-99] All CAPS no -
CLAS 1 -59 All Caps but not in brackets.
Every detail means something
Also the [] makes me believe that we should be counting the lines in this post. Why have a blank space otherwise.
Food for thought.