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(Published on 12. August 2021, 07:12 by purpl)

I was looking into disambiguating between lines with only quadruples and happened upon something extraordinary. Leave a rating and/or comment if you enjoyed!

Thanks to Tallcat, PulverizingPancake, Niverio, and pseudonum for testing :)

Rules:

Normal Sudoku rules apply.

Quadruples: The digits in white circles must appear in at least one of the four cells touching the circle.

Between lines: Digits on a line connecting two circled cells must be between the digits in those circles (i.e. the digit in one circle is greater than all digits on the line, while the digit in the other circle is smaller than all digits on the line).

Links:

f-puzzles

Sudokulab

CtC Solver

Solution code: Row 5 left to right followed by column 5 top to bottom

Last changed on on 9. May 2022, 22:49

Solved by PulverizingPancake, Dentones, Tilberg, Playmaker6174, Piatato, SKORP17, tallcat, cfop, marcmees, Elliott810, Mr.Menace, textwine, Qodec, wenchang, Pibonacci, Grothenlace, PotatoHead21, karen_birgitta, StefanSch, kmoter, kaitoJD, abed hawila, morgannamodeaura, soroush, twototenth, AvonD, Vebby, OGRussHood, dogfarts, zhergan, Niverio, jkl, Myxo, ClashCode, jalebc
Full list

Comments

on 28. June 2023, 23:17 by Myxo
Lovely puzzle!

on 16. August 2021, 16:22 by purpl
@Mr.Menace thank you! The symmetry was the most important aspect to me when setting this puzzle. I am glad it is pretty :)
@Qodec I loved watching your live solve and the utter madness it ensued in you and others!

on 14. August 2021, 21:39 by Qodec
Brilliant. With a touch of utter madness. Loved it.

on 13. August 2021, 22:23 by Mr.Menace
Liked this a lot. The symmetry and the small steps that untangled the puzzle made it quite rewarding! Thanks

on 13. August 2021, 22:14 by Mr.Menace
Liked this a lot. The symmetry and the small steps that untangled the puzzle made it quite rewarding! Thanks

on 13. August 2021, 18:25 by purpl
@marcmees you are so very welcome, thank you for solving :)
@tallcat thank you for your kind words!

on 13. August 2021, 11:56 by marcmees
Great construction. thanks.

on 12. August 2021, 16:27 by tallcat
Tricky but fantastic construction!! Loved solving it

on 12. August 2021, 16:03 by purpl
@Playmaker thank you!
@Piatato that is the exact line I try to walk, between (line) hard and rewarding! Thank you :)

on 12. August 2021, 13:53 by Piatato
Great puzzle! Hard, yet very rewarding! :-)

on 12. August 2021, 13:09 by Playmaker6174
Very nice puzzle, I really like the clever interactions in this one :)

Difficulty:4
Rating:94 %
Solved:35 times
Observed:6 times
ID:00079G

Variant combination Online solving tool

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Solution code:

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