adding advent 2010 day 12
adding advent 2010 day 12

dankogai/roast,perl6/roast,laben/roast,zostay/roast,dogbert17/roast,b2gills/roast,dogbert17/roast,zostay/roast,cygx/roast,skids/roast,niner/roast,dankogai/roast,niner/roast,bitrauser/roast,laben/roast,b2gills/roast,b2gills/roast,skids/roast,cygx/roast,dankogai/roast,zostay/roast,bitrauser/roast,skids/roast,niner/roast,laben/roast,cygx/roast