This uses the original captcha algorithm, but rejects any captcha which tesseract's answer has an edit distance of 3 or less. This is https://gerrit.wikimedia.org/r/#/c/mediawiki/extensions/ConfirmEdit/+/446526/
Note, this uses the DejaVuSans font, instead of the FreeMonoBoldOblique.ttf that Wikipedia currently uses
View other captcha tests: Current captcha | Tim's proposal | Tim's captcha without gradiant | Current captcha with OCR rejection | Using negative kerning and less harriness [Bawolff's proposal] | Negative kerning and harriness
Tesseract (off the shelf. No special training) success on this set is 0 (out of 50) or 0 %
