Logic Masters Deutschland e.V.

Prime Pairings

(Published on 1. June 2024, 09:33 by MSDOS)


Rules:
  • Normal sudoku rules apply.
  • Digits in a grey circle are odd.
  • Digits along an arrow line sum to the digit in the connected circle.
  • Each letter in a circle represents a domino of two digits that sum to a unique prime number. (note: each letter will always use the same pair of digits) If a letter is marked in a circle, BOTH of the domino digits must be in its surrounding cells, and cannot break the domino. Dominoes MAY overlap if they share a digit.

Play on SudokuPad!

Solution code: Row 9 from left to right. (9 digits)


Solved by Hydalin, GrumpyMan, sanabas, SKORP17, Opsi, AKernel, ZornsLemon, AN_not_IO, oskode, jkl, Schorsch, paranoid, linl33, simon.tressel
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Comments

on 1. June 2024, 15:39 by sanabas
Interesting logic, mostly colouring the 6 dominoes, and only working out any digits right at the end.

Last changed on 1. June 2024, 12:01

on 1. June 2024, 11:17 by Hydalin
I guess it means the two digits cannot be diagonal to each other. I broke the puzzle after 50 minutes, but I'll try again ;)

Solved - my first puzzle as first to solve :)
My interpretation from above was right - it was fun and in the second try more straightforward. Yet it's not easy to keep track of the colors or letters or whatever.

***
MSDOS: Yes, I was hoping the word domino would be an understood substitute for "an orthogonally connected pair of digits" without having to use so many words. I may need to adjust the rules if this is confusing.

Last changed on 1. June 2024, 11:57

on 1. June 2024, 10:59 by Opsi
What does "cannot break the domino" mean?

***
MSDOS: The two digits need to be connected orthogonally. Normally, digits can be in any position around a quad, but the rule is meant to clarify that the 2 digits additionally have to be connected. Sorry if this is confusing.

Difficulty:3
Rating:92 %
Solved:14 times
Observed:6 times
ID:000IBI

Puzzle variant Online solving tool Dominoes

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Solution code:

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