http://mathfactor.uark.edu/2009/11/900/ The Math Factor Podcast Site Fri, 08 Aug 2014 12:52:06 +0000 hourly 1 https://wordpress.org/?v=4.9.25 http://mathfactor.uark.edu/2009/11/900/comment-page-1/#comment-689 Wed, 09 Dec 2009 15:58:28 +0000 http://mathfactor.uark.edu/?p=900#comment-689 One rule could be that new tiles have to touch two other tiles, one of which have to be the previous tile played. So the tile played as tile number 5 have to touch tile nr 4 and another tile.
Maybe, just throwing it out there.

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