It has been discussed here before about the captchas which are too hard to pass. However, without samples. Today i found one of these captchas. I read ghooktrust but mediawiki didn't agree. The first letter could be a 5, but we don't use numbers. So i now finally noticed it might be an s
Anyone wishing to test its humaness?
http://upload.wikimedia.org/wikipedia/test/f/f5/WpCaptchaId_734931244.gif