Exploded Compass Sudoku
(Published on 7. January 2021, 20:00 by stephane.bura)
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Every row, column and irregular region must contain the digits from 0 to 8. If there is an arrow in a cell, the digit in that cell equals the total number of cells belonging to the region the arrow comes from that are in the direction of the arrow. For instance, r1c8 is 5 and contains an arrow pointing to the left. This means that the region containing r1c9 has 5 cells that are to the left of r1c9. Enjoy! |
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Solution code: Column 6, column 7
Comments
on 21. November 2023, 00:42 by stephane.bura
Thanks Myxo and Playmaker6174 :)
on 20. November 2023, 23:22 by Playmaker6174
Beautiful and surprisingly clean execution of the compass ruleset from start to finish, thoroughly enjoyed it! :)
on 20. November 2023, 23:20 by Myxo
Beautiful construction!
on 28. December 2022, 23:23 by Christounet
Great logic all the way ! Another impressive iteration in this nice serie ! Thanks
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Thanks Christounet :)
on 23. December 2022, 23:08 by Agent
Another great entry in the series! I found it a lot more challenging than the others, broke it multiple times. But I think allowing arrows in every cell adds some interesting layers of logic.
on 8. November 2022, 22:33 by peacherwu2
Lots of interesting twists, especially the mid 5.
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That was my driving force for setting this puzzle. Glad you liked it :)
on 4. August 2021, 13:39 by Piatato
What a great drama! I thought for a good 15 minutes that I had broken the puzzle, before I finally noticed the only working option. Phew! Fantastic puzzle - very challenging but also rewarding.
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Thanks ! Glad you liked it :)
on 15. April 2021, 16:00 by cdwg2000
Very nice!Excellent as always.
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Thanks :)
on 24. January 2021, 16:23 by henrypijames
Brutal. Couldn't find an elegant path and had to go through a lot of try and error.
on 9. January 2021, 11:30 by MagnusJosefsson
Suberb! Probably the best (and hardest) of the series. Very interesting and challenging throughout.
on 9. January 2021, 06:00 by Yohann
Very nice puzzle, with a tough break-in, and challenging until the end. Another masterpiece in this compass series :)
on 9. January 2021, 00:59 by marcmees
Logical path found. majestic puzzle. thanks.
on 8. January 2021, 18:26 by Jesper
Great puzzle! Very challenging - especially the start - but I managed to find a logical path through.
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Well done, Jesper :)
on 8. January 2021, 17:33 by Arashdeep Singh
What a great puzzle!! That was really hard but I loved it :)
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Congrats and thanks!
