Logic Masters Deutschland e.V.

Grasshopper in Hiding

(Published on 27. September 2025, 10:36 by sujoyku)

This puzzle originated from the curiosity how Up to N-sums would interact with German Whispers. I like to thank all who have tested this puzzle (or its first version). I wish you joyful solving!

Rules:

- Normal sudoku rules apply, i.e. each row, column, and 3x3 region has to contain the digits from 1 to 9 once each.

- German Whispers: Adjacent digits on a green line must have a difference of at least 5.

- Up to N-sums: A clue outside the Row or Column N indicates the sum of all digits up to the cell that contains the digit N. (The digit N itself is not included in the sum.)

Here you can solve the puzzle online:

Solve on Sudokupad

Solution code: Row 7 from left to right (9 digits in total)


Solved by tuturitu, Piff, ViKingPrime, Calvinball, marcmees, TripleABattery, jubengo, rameshsrivats, NicoD, mellowrobinson, Onyoubi, Crul, galium_odoratum, SKORP17, brimmy, mabjim007, Fredxl, dingledork, ... DeckersYay, seaweed, jonmag, zrbakhtiar, Jensa, Merovius, ecavalli, trashghost, greemi01, ashwin, whtshername, Janie, Kastanje_Anne, KirkFox, HighEagle, widjo, Tompzini, ElefantiUndMira, redgecko
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Comments

Last changed yesterday, 16:02

yesterday, 15:21 by VitP
i think that level 2 should mean "beginners (people new to the variant, but intermediate at basic sudoku) can do this without difficulty", level 2 should mean "beginners can do this, with effort", and level 3 should mean "theoretically possible for beginners to do, with considerable effort, and experts will start to be challenged".

so this would be a level 2. the point is that you need to apply the basic prescriptions of "up to n" puzzles, and work the basic sudoku, and it will come together. no x-wings, y-wings, b-wings, or tie fighters needed.

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Thank you for sharing your perspective, VitP! I still think there are a few aspects of the solve path that are a little "above 2 stars". So overall, I think it is somewhere between 2 and 3.
Kind regards, sujoyku

Last changed on 28. September 2025, 15:17

on 28. September 2025, 06:52 by puzzlelad
Great puzzle! Can't believe it's rated two star difficulty, I found it quite challenging!

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Thank you for your comment, puzzlelad! I am glad that you liked the puzzle. Considering difficulty, I thought it was between 2 and 3 and uploaded it at 3 stars. Thanks for sharing your take.
Kind regards, sujoyku

Last changed on 27. September 2025, 19:39

on 27. September 2025, 18:37 by Ragna
Fun puzzle! Thank you. :-)

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You are much welcome, Ragna, thank you for your comment! I am glad you had a fun solve.
Kind regards, sujoyku

Last changed on 27. September 2025, 11:28

on 27. September 2025, 11:25 by ViKingPrime
Loved the break-in on this.

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Thank you for your comment, ViKingPrime!
I am glad you liked the break-in idea.
Kind regards, sujoyku

Difficulty:2
Rating:92 %
Solved:61 times
Observed:0 times
ID:000PEJ

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Solution code:

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