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-1 to +4 puzzle https://www.calcudoku.org/forum/viewtopic.php?f=3&t=1188 |
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Author: | michaele [ Sun Jul 19, 2020 11:48 am ] |
Post subject: | Re: -1 to +4 puzzle |
This is how I did this puzzle, I did not think it was very difficult. Remember that the cages with 0x or 0/ must have a cell with the value 0. 1. a5 is not 0, refer to cage b4 2. a6 is not 0, refer to row 1 (b1 and e1 would be 0 if a6=0) 3. c5 is not 5, refer to cage c1 (cage c1 must have -1 in one of the cells) 4. a6 is not 1, refer to cage d6 5. c6 is not 0, refer to cage c3 (if c6=0 then d5=0 and that would leave no 0 for any cell in cage c3) 6. c6 is not 2, refer to rows 5&6, cage e5 would have no valid values. 7. c5 or d5 must be 2, that solves cell a5 From this point it is all basic steps to complete the puzzle. I have created some images of the above steps if anybody is interested. If anybody has any questions please feel free to ask, or if I made a mistake let me know. |
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