Ancient Greek used all capitals, rather than the parent’s comment all lowercase. That’s more obnoxious to recognize letters in.

IMPRETTYSUREANCIENTGREEKDIDNTHAVEANYSPACESORPUNCTUATIONITWASUPTOTHEREADERTODECIPHERWHATITSAIDMAYBETHATSWR

EDIT: Oh, and the order of the text was reversed right-to-left in alternating lines:

IMPRETTYSUREANCIENTGREEKDIDNTHAVEANYSPACESORPUNCTUATION
RWSTAHTEBYAMDIASTITAHWREHPICEDOTREDAEREHTOTPUSAWTI