Logic Masters Deutschland e.V.

Heavy Is the Crown

(Published on 5. December 2025, 23:38 by sujoyku)

Happy Birthday, Calvinball! This puzzle is for you. :)
I wish you all joyful solving!

Here you can watch how Simon of Cracking the Cryptic solves the puzzle.

Rules:

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

- Tentropic Lines: Every set of four sequential digits on a hollow peach line must contain one each from {19}, {28}, {37}, and {46}. A 5 may not appear on a Tentropic Line. Digits on a line may repeat if allowed by other rules.

- Region Sum Lines: Box borders divide the blue lines into segments with the same sum. (Different lines may have different sums.)

- Killer Cages: Digits in a cage must sum to 20.

Here you can solve the puzzle online:

Solve on Sudokupad

Solution code: Column 1 from top to bottom (9 digits in total)

Last changed on on 9. December 2025, 22:52

Solved by claymategirl, Sotehr, jmw, Myxo, cyddrdrd, Calvinball, tuturitu, SincereEngineer, gdc, Krisonium, Elliott810, smckinley, by81996672, mihel111, chinesemaster, Piatato, Askloomok, lcy.30, mezkur7, ... InterestingAlgae, Julianl, deangaudet, redfoot, bpcobra96, paranoid, Uhu, joelth, crater, Pyxn, dipiz, Piff, snowbaby, bernhard, RedBarchetta, augsod, zrbakhtiar, koiking, psams, DarkPaladin
Full list

Comments

on 9. December 2025, 22:52 by sujoyku
added a link to the CTC video solve

Last changed on 9. December 2025, 22:54

on 9. December 2025, 06:06 by Playmaker6174
This one certainly reminded me of certain older cool puzzles I'd seen and solved in the past, very consistent and well set puzzle overall! :)

**
Thank you for your comment, Playmaker6174! I am glad that you liked the puzzle.
Kind regards, sujoyku

Last changed on 9. December 2025, 22:54

on 9. December 2025, 03:08 by antiknight
This puzzle was exceptionally well-crafted. It was beautiful to solve, and the steps were truly impressive.

**
Thank you for your comment, antiknight! It is great to hear that you found it beautiful to solve.
Kind regards, sujoyku

Last changed on 7. December 2025, 00:10

on 6. December 2025, 20:53 by iffy
Wow! What a puzzle. Took me over two hours but felt like I was making tiny bits of progress the whole time. Very enjoyable.

**
Thank you for your comment, iffy! It is great to hear you found it to be enjoyable.
Kind regards, sujoyku

Last changed on 7. December 2025, 00:09

on 6. December 2025, 18:15 by Lenivaya_Joppa
Thank you for this nice puzzle, dear sujoyku! :)

**
Thank you for your comment, Lenivaya_Joppa! I am glad that you enjoyed the puzzle.
Kind regards, sujoyku

Last changed on 6. December 2025, 14:10

on 6. December 2025, 13:51 by Black_Doom
Just superb!

**
Thank you, Black_Doom!
Kind regards, sujoyku

Last changed on 6. December 2025, 11:45

on 6. December 2025, 11:35 by Snookerfan
Great puzzle! Tricky and fun, I really like that the tiny break of symmetry does so much. Thanks.

**
You are much welcome, Snookerfan, thank you for your comment! I am glad that you enjoyed the puzzle and liked how the symmetry is broken.
Kind regards, sujoyku

Last changed on 6. December 2025, 10:11

on 6. December 2025, 08:47 by Piatato
Very cool!

**
Thank you, Piatato!
Kind regards, sujoyku

Last changed on 6. December 2025, 10:10

on 6. December 2025, 07:22 by mihel111
Lots of cool tricks in this one. Well done

**
Thank you for your comment, mihel111! I am glad that you liked the puzzle.
Kind regards, sujoyku

Last changed on 6. December 2025, 10:09

on 6. December 2025, 03:29 by Calvinball
Really appreciate the puzzle mein Freund, that was awesome!

**
¡Muchas gracias, amigo! I am very happy that you enjoyed this gift puzzle.
Kind regards, sujoyku

Last changed on 6. December 2025, 10:09

on 6. December 2025, 00:51 by cyddrdrd
Very cool! Thanks!

**
Thank you for your kind words, cyddrdrd!
Kind regards, sujoyku

Last changed on 6. December 2025, 00:40

on 6. December 2025, 00:31 by Myxo
Lovely!

**
Thank you, Myxo!
Kind regards, sujoyku

Last changed on 6. December 2025, 00:39

on 6. December 2025, 00:28 by Sotehr
Happy 60th or 20th birthday, Calvinball! (Or somewhere in between.)

**
Thank you for your comment, Sotehr! I think my choice of cage totals might have been somewhat misleading, but inbetween it is. :D
Kind regards, sujoyku

Difficulty:3
Rating:97 %
Solved:157 times
Observed:1 times
ID:000QFK

Enter solution

Solution code:

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