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Small error in special 30/12/2013 https://www.calcudoku.org/forum/viewtopic.php?f=18&t=529 
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Author:  baldert [ Sat Jan 04, 2014 10:37 pm ] 
Post subject:  Small error in special 30/12/2013 
In the cage 625^ (a4:a6,b6) the check does only seem to be performed for 3 digits, i.e. 5^2^2^X and 5^4^1^X are shown to be correct regardless of the value of X (which should be equal to 1 of course). 
Author:  pnm [ Sun Jan 05, 2014 12:18 pm ] 
Post subject:  Re: Small error in special 30/12/2013 
baldert wrote: In the cage 625^ (a4:a6,b6) the check does only seem to be performed for 3 digits, i.e. 5^2^2^X and 5^4^1^X are shown to be correct regardless of the value of X (which should be equal to 1 of course). 5^2^2^X shows an error except for X = 1 (as expected) 5^4^1^X works because 1^X = 1 (also see the note below the puzzle: "Note: evaluation is right to left") Patrick 
Author:  baldert [ Mon Jan 06, 2014 8:09 pm ] 
Post subject:  Re: Small error in special 30/12/2013 
Oops 
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