You seem to be getting a type of captcha wildly different to what I've encountered; the first one I got on this page is simply "13 - six". Maybe it depends on the ISP's reputation score?
(I've nothing to really add to the thread because I agree with it. ACPI is the worst solution we have, except for all the others)
OT - captchas
(I've nothing to really add to the thread because I agree with it. ACPI is the worst solution we have, except for all the others)