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Tiling Trial II (Posted on 2014-08-06) Difficulty: 3 of 5
A 20x21 rectangular floor needs to be tiled using square tiles that are uncuttable, non-overlapping and having integer sides.

What is the smallest total number of tiles to make this possible?

No Solution Yet Submitted by K Sengupta    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
Cool site, xdog!Steve Herman2014-08-07 16:15:59
re: Possible spoilerxdog2014-08-07 10:26:58
Possible spoilerHarry2014-08-07 09:13:03
Some ThoughtsFirst attempt (spoiler?)Steve Herman2014-08-06 14:21:09
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