When	User	Flag Type	Description
2010-07-27 03:23:29	Nickj	Needs Fixing	See comments
2012-08-12 08:01:48	Ab_shcherbakov	Needs Fixing	Cut place does not marked
2013-03-30 23:36:26	hooiberg	Needs Fixing	There is no triangled black stone, mentioned in the exercise