I would like to give some feedback about the 'try it' function.
The function does not give any output. Which makes it really hard to test the code.
Even for the line 'return 2' it does not print anything to the console.
From: http://www.checkio.org/mission/count-neighbours/solve/
HTTP_USER_AGENT:
Chrome/43.0.2357.130
Created at: 2015/07/04 14:56; Updated at: 2015/07/06 07:05