What happens to Blank Checks if you use numbers out of sequence?

-My checking is with Chase Bank, I paid a bill using check number 135 completely forgetting to use 106-134., are all the previous checks still valid if was to write one using for example 129?The bank doesn't CARE about the check numbers. The ONLY purpose they EVER served was to distinguish on check from another check on the same account. Most banks don't even put a note on your statement if checks are used out of sequence anymore. You can DESTROY the check number and the bank won't even notice. Whoever you right the check too might, care, but they probably wont notice either.
Yes. The numbers are simply there for your own use in keeping track of what you pay to whom and when. There is no reason to use them in sequence.