Captcha proposed by Amir on T141490#9460756 based on linekern. Using font freesans.
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 | Using linekern | This captcha but in DejaVu Sans font
Using custom solve script (not just tesseract). success on this set is 1 (out of 200) or .5 %
