Post 2140233 by coveb@mstdn.io
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 (DIR) Post #2139568 by xahlee@mstdn.io
       2018-12-20T19:01:26Z
       
       0 likes, 0 repeats
       
       Art of M C Escher http://xahlee.info/math/M_C_Escher.html
       
 (DIR) Post #2140233 by coveb@mstdn.io
       2018-12-20T19:32:51Z
       
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       @xahlee