I would like to give some feedback about task solving.

When running my code, the output in the command line indicates that a different data set is run compared to the data input in the right panel

From: http://www.checkio.org/mission/break-rings/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.2.5 (KHTML, like Gecko) Version/8.0.2 Safari/600.2.5