• wrong solution?

 

I would like to give some feedback about ...

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

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.3; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0

Test: break_rings(({3,4},{5,6},{2,7},{1,5},{2,6},{8,4},{1,7},{4,5},{9,5},{2,3},{8,2},{2,4},{9,6},{5,7},{3,6},{1,3},)) Why the right solution is 5? I cant to get this result manually.