harey

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harey's post in Who will do the dishes? was marked as the answer May 6

OK, so here the solution.
harey's post in Grabbing marbles was marked as the answer March 22, 2018
harey's post in you are in an orgy was marked as the answer March 6, 2018

The plot for all cases:
Strategy

I knew it would be hard, but not THAT hard.
harey's post in Increase the square was marked as the answer February 21, 2018
harey's post in Who is older? was marked as the answer June 13, 2014
harey's post in Play on a classic: computers was marked as the answer May 10, 2014
harey's post in average birthdays was marked as the answer March 10, 2014
harey's post in checker chase game was marked as the answer March 10, 2014
harey's post in Boys and girls in the village was marked as the answer February 25, 2014
harey's post in Fast fuse was marked as the answer February 25, 2014
harey's post in Red Queen was marked as the answer February 17, 2014
harey's post in Two objects, Three views, Identical shapes was marked as the answer December 18, 2013
harey's post in Sixty-one marbles or fewer was marked as the answer December 18, 2013
harey's post in Packing squares, again was marked as the answer October 13, 2013
harey's post in A running "aha" puzzle was marked as the answer October 10, 2013