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Six Star puzzle from the Globe and Mail -- Jan 5, 2021 http://www.rcbroughton.co.uk/sudoku/forum/viewtopic.php?f=5&t=1603 |
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Author: | pseudoKu [ Thu Jan 21, 2021 7:40 pm ] |
Post subject: | Six Star puzzle from the Globe and Mail -- Jan 5, 2021 |
This puzzle has stumped me. If anyone can direct me toward a solution, much appreciated. I don't know what kind of notation you use on this forum, but I've set out below the original puzzle as well as the point at which I got stuck. This is a six-star puzzle from the Globe & Mail (Toronto) on January 5, 2021 Starting Grid: Code: . . . | 9 5 1 | . . . . 2 . | . 6 . | 5 . 1 . . . | . . 4 | . . . ==============|================|============= . . 3 | . . . | . . 6 . . 6 | . 4 . | 7 . . 7 . . | . . . | 8 . . ==============|================|============= . . . | 6 . . | . . . 2 . 5 | . 3 . | . 1 . 8 . . | 2 7 5 | . . . Here’s where I got to, (with pencil marks): 346 347 478 | 9 5 1 | 346 234678 23478 |
Author: | Ed [ Fri Jan 22, 2021 3:28 am ] |
Post subject: | Re: Six Star puzzle from the Globe and Mail -- Jan 5, 2021 |
Hi pseudoKu (fun name!) Welcome! Unfortunately, my software thinks this puzzle has multiple solutions so is not valid. Is there another constraint? I tried diagonals but that doesn't help. Perhaps I entered it incorrectly. I can't find that puzzle at your paper's website since I don't want to join it. triple click code: Cheers Ed |
Author: | pseudoKu [ Fri Jan 22, 2021 4:50 pm ] | ||
Post subject: | Re: Six Star puzzle from the Globe and Mail -- Jan 5, 2021 | ||
I've gone back to the original -- see file attached. Looks like my transcription of the original grid was correct. I feel much better if it's an invalid puzzle; it would cease to haunt me. Thanks.
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Author: | pseudoKu [ Fri Jan 22, 2021 5:21 pm ] |
Post subject: | Re: Six Star puzzle from the Globe and Mail -- Jan 5, 2021 |
No! I was wrong. My transcription from the original missed the '3' in r1c9. I have gone back to the puzzle -- it now resolves easily. Dumb mistake on my part. Explains my username. |
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