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Assassin 346 http://www.rcbroughton.co.uk/sudoku/forum/viewtopic.php?f=3&t=1431 |
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Author: | Ed [ Thu Feb 01, 2018 9:03 am ] |
Post subject: | Assassin 346 |
Assassin 346 Attachment: a346.JPG [ 67.07 KiB | Viewed 15100 times ] I'll try and post one of these at the start of each month (so still plenty of time to do ixsetf's new one ). Others are welcome to fill up the middles! This puzzle started out as a version with a very elegant solution, but typing up my walkthrough realized I'd made a logical flaw. Then couldn't solve it! Had to make some adjustments. It's now quite fun since can keep making regular progress and doesn't finally crack completely until a long way in. As so often happens, this cage pattern has some interesting interactions that are not needed for an optimised solution. It gets an SSscore of 1.55 SS doesn't use my key step. Please post if someone would like to try the version I couldn't solve. Would love to know how to do it. That version gets a 1.50 code: paste into solver: solution: Ed |
Author: | Andrew [ Mon Feb 05, 2018 10:36 pm ] |
Post subject: | Re: Assassin 346 |
Thanks Ed for posting this Assassin! Great news that you plan to post a new one each month! As you said, this is a puzzle where one continues to make progress. Here is my walkthrough for Assassin 346: Rating Comment: Ed. Please post your original version. I'd like to have a try at it before I have a go at ixsetf's Human Solvable (but I've since changed my mind and done that one); there's still one of HATMAN's Human Solvables which I haven't yet tried. |
Author: | Ed [ Wed Feb 07, 2018 8:14 pm ] |
Post subject: | Re: Assassin 346 |
Thanks for your WT Andrew! Really enjoyed it with easy-enough to follow combination work. Very different WT to mine. I started with "45"s. I will get us up to 350 but no promises after that. A busy year coming up. Will post the V1.5 shortly. A346 start: Ed |
Author: | Ed [ Thu Feb 08, 2018 8:12 am ] |
Post subject: | Re: Assassin 346 |
A346 V1.5 Attachment: a346v1.5.JPG [ 64.92 KiB | Viewed 15054 times ] code: paste into solver: [edit: as Andrew remembered in his following post - this was the original puzzle I found but couldn't solve it] Cheers Ed |
Author: | wellbeback [ Fri Feb 09, 2018 10:11 pm ] |
Post subject: | Re: Assassin 346 |
Hi Ed - Welcome back Tough puzzle. I loved the implications of the interactions for the shapes and numbers in n123! Here is my WT for V1.5. I'm sure there's a better way to do my step 4! Assassin 346 V1.5 WT: |
Author: | Andrew [ Sat Feb 10, 2018 10:06 pm ] |
Post subject: | Re: Assassin 346 |
Thanks Ed for posting your original, harder version as a V1.5 Here is my walkthrough for A346 V1.5, with a little help from Ed's step 2 for A346: Rating Comment: |
Author: | Ed [ Tue Feb 13, 2018 9:43 pm ] |
Post subject: | Re: Assassin 346 |
This is a hybrid optimised start for the V1.5 from Andrew's WT and SudokuSolver. It found one nice step which makes an easier solution overall I think. Not that hard a puzzle after all! Wellbeback - wow! I couldn't follow all of step 4 in my head but I learned a lot from what I could follow. Thanks! I was doing something similar in n789 but was forgetting one part of the logic chain you used. That's why I got tricked. A346V1.5 Hybrid Andrew and SudokuSolver optimized start: Ed |
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