Are you sure these invisible "annotations" aren't just letters from the other side breaking through?
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At first I thought you meant a b c letters at You are not allowed to view links. Register or Login to view. but no, it looks like you really mean f67v.
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At first I thought you meant a b c letters at You are not allowed to view links. Register or Login to view. but no, it looks like you really mean f67v.