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Perplexus Cryptarithm Puzzle (Posted on 2007-03-31) Difficulty: 3 of 5
The cryptarithm FLOOBLE + PUZZLE = PERPLEX has no solutions. But if the word 'PUZZLE' is included twice, then there is a solution.
How many more times can the word 'PUZZLE' appear in the addition and the cryptarithm still have a solution?

See The Solution Submitted by Brian Smith    
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re: answer | Comment 3 of 4 |
(In reply to answer by K Sengupta)

M = 5 shows only a repetition of M = 4.
  Posted by Charlie on 2007-04-01 20:59:21

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