Actually, I just rechecked mine (in Word, using the Word Count tool) and it says I've used 253 characters this time! So maybe it IS 255 characters. Isn't that as clear as mud? Hope it doesn't confuse anyone. Anyway, try for the 255 character count and see if that works.
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When you don't like a thing, change it.
If you can't change it, change the way you think about it.

(Maya Angelou)