Reproduce better algorithm for the following captcha

[iamsudip]

Algorithm available: http://blog.c22.cc/2010/10/12/python-ocr-or-how-to-break-captchas/

Captcha source1: http://scr.im/cap/index.php?1411210220
Captcha source2: http://scr.im/cap/index.php?1411210246