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a few killer sudokus https://www.calcudoku.org/forum/viewtopic.php?f=19&t=259 |
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Author: | pnm [ Fri Jun 29, 2012 10:30 pm ] |
Post subject: | Re: a few killer sudokus |
clm wrote: Very clear layout now (we must wait for the 3 or 4 cell cages ... ), btw, the nr. 3 is a little bit more difficult than the previous 1 and 2, but not too difficult. Are you using the same algorithm to obtain the "solving rate" for these "addition" sudokus?. Yes, the same algorithm. But the solver is missing a key tool for these puzzles: using the "45 rule", both for rows, columns, and the 3x3 boxes (!) So puzzles are often overrated. Patrick |
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