Programming

Is it supposed to write captcha breaker by yourself (in this case it is far more hard then challenge ’Arithmetic progression’) or i can use online service / local tool (i googled for a long time but havent found anything that can solve that captchas, what is funny because they are quite easy at first glance) ?

Hello,
frankly speaking using online captcha service can take too much time.
It is easier to write your own captcha cracking solution.

Regards!