Logic Masters Deutschland e.V.

Crypto Japanese Cave with Three Extraterrestrials

(Eingestellt am 21. Februar 2023, 04:18 Uhr von KNT)

Shade some cells in the grid such that all unshaded cells are orthogonally connected, and all orthogonally connected groups of shaded cells touch the perimeter of the grid. Then, enter numbers from 1 to 9 in every unshaded cell such that no number repeats in a row or column. Numbers must not be placed in shaded cells.

Clues outside the grid indicate the sums of connected groups of numbers in the respective row or column, in order, where shaded cells serve as delimeters between groups.

The clues have been written by three extraterrestrials, each of which is familiar with only one number base, which might not be our usual 10. However, it is unknown which extraterrestrial wrote which clue. A letter can replace any number from 0 to N-1, where N is the base of the clue, and no two letters replace the same number. No clue may have a leading zero.

A 1-7 example with two extraterrestrials is provided. In this example, one extraterrestrial uses base 11 and the other uses base 4, with clues marked in red and blue respectively. The clues marked in green could have been written by either extraterrestrial.

SudokuPad

penpa+

Lösungscode: Row 11 then Row 12, with S for shaded cell

Zuletzt geändert am 28. Juli 2024, 04:34 Uhr

Gelöst von PixelPlucker, polar, Vebby, Niverio, Koalagator2, RJBlarmo, ibag, ONeill, Jesper, Xendari, jkuo7, Lara Croft, ascension, Myxo, ClashCode, Alex, rmn, cha, Agent, boomsoon, ffricke, Statistica, cornuto, akamchinjir, AnnaTh, Nensche777, tuturitu, lerroyy, Nick Smirnov, Las4one
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Kommentare

am 27. Dezember 2023, 18:35 Uhr von lerroyy
Very fun and smooth solve, thanks!

am 21. August 2023, 14:49 Uhr von AnnaTh
Fantastic puzzle! I finally made it (thanks to a little help from @KNT). So happy I was able to finish it.

am 27. April 2023, 21:12 Uhr von cornuto
Thank you very much for this phantastic puzzle.

am 17. März 2023, 16:06 Uhr von Agent
Fantastic puzzle, filled with beautiful and rewarding deductions until the end! The alien bases make it a lot more challenging but it was well worth it.

am 26. Februar 2023, 22:47 Uhr von Myxo
Great puzzle!

am 21. Februar 2023, 23:13 Uhr von Jesper
Fantastic, loved it! Thanks KNT :)

am 21. Februar 2023, 21:24 Uhr von ONeill
This is such a brilliant puzzle, the deductions were really satisfying and I learned a lot :) Thanks!

am 21. Februar 2023, 11:10 Uhr von ibag
A true masterpiece!

am 21. Februar 2023, 09:44 Uhr von RJBlarmo
The concept of having ciphered clues in three different unknown bases sounds like it would be impossible to solve but surprisingly this ended up a bit easier than expected. Still a very challenging puzzle, and great fun to solve as always.

am 21. Februar 2023, 08:51 Uhr von Koalagator2
Wow, what a puzzle. Extremely satisfying to figure out the bases and use them. I've been very impressed with this series of puzzles, and how you've managed to knock it out of the park 13 times.

am 21. Februar 2023, 08:51 Uhr von Niverio
As polar said, it's getting harder and harder to find creative comments about these puzzles :)

am 21. Februar 2023, 07:03 Uhr von KNT
For anyone interested in this puzzle but perhaps a bit intimidated by the idea of clues in alternate number bases, I recommend first solving the “Extraterrestrial Japanese Sums” puzzle I posted as it would likely serve as good practice.

am 21. Februar 2023, 06:48 Uhr von Vebby
Wonderfully crafted, this was my first Alien puzzle and I thoroughly enjoyed the logic around different bases.

am 21. Februar 2023, 05:38 Uhr von polar
Starting to run out of superlatives for your puzzles :)

Schwierigkeit:5
Bewertung:100 %
Gelöst:30 mal
Beobachtet:6 mal
ID:000D1K

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