Chaos This Way
(Published on 8. September 2022, 21:47 by rysmyth240)
Each cage represents the top-most, left-most (in that order) cell of a 9 cell orthogonally connected region that contains the digits 1 to 9.
Cells with a circle contain a digit that shows how many of the surrounding cells (orthogonal and diagonal) are in the same region as that cell. All circles are given.
Clues outside the grid indicate the sum of digits in the first region from that direction until it reaches the next region border. If a region loops back after leaving a row or column, those cells are not included in the total.
(note that a region can go to the left of a given cage in rows below the upper most row of the region. But regions cannot go to the left of a given cage in the same row as the cage or to any cells above the cage)
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Solution code: Row 1 then Column 1 (18 digits no spaces).
Comments
on 7. February 2024, 19:46 by Suxamethonium
Beautiful puzzle! Love the deduction needed to elucidate the regions, as well as the logic of the negative constraint.
on 18. December 2022, 15:41 by Christounet
Very nice use of the negative constraint ! Fun puzzle ! Thanks
on 22. October 2022, 16:46 by zeneszerzo
It took me an hour without the 'All circles are given' part, which I missed during solving :D Beautiful approachable CC!
on 12. September 2022, 03:37 by Montinox
Loved this! Incredibly smooth solve even with the negative constraint!!!!
on 11. September 2022, 03:06 by thoughtbyte
Fantastic approachable CC. Thanks @rysmyth240!
on 10. September 2022, 07:24 by brandon_bot
Negative constraint was very fun to use.
on 10. September 2022, 01:40 by kikanya
Very nice puzzle! Thank you for setting
on 9. September 2022, 08:44 by marcmees
so approachable CC's do exist. thanks
on 9. September 2022, 00:36 by robals
Had a LOT of fun solving this one. Just the right amount of difficulty. Nice one!
