Logic Masters Deutschland e.V.

Spinal Tap Tribute (This one goes to 11)

(Published on 24. October 2024, 22:44 by Jrosas)

THE RULES:

Ordinary sudoku rules apply: place the digits 1 through 9 in each row, column, and 3x3 bold outlined box.

Spinal tap rule (these all go to 11) applies to all further rules. Every sum is 11. To wit:

-Spinal tap renban rule: digits on a purple line are consecutive and sum to 11.

-Spinal tap zipper line rule: Pairs of digits in cells on a grey zipper line that are equidistant from the midpoint of the line sum to the same number, and that number is always 11.

-Spinal Tap Region Sum rule: digits on a blue line sum to the same number in every box, and that sum is 11.

-Spinal Tap killer cage rule: the digits in each killer cage sum to the clue in the top left corner, if given. If no clue is given, the digits in the cage sum to 11.

-Spinal Tap Roman numeral rule: Digits separated by the Roman numeral XI sum to XI.

EXTRA CREDIT to the first puzzler to correctly explain the significance of the killer cage formation in a comment: cornish-john

Sven Neumann’s Sudokupad

Spinal Tap clip

Solution code: Row 5, left to right.

Last changed on on 25. October 2024, 18:45

Solved by cornish-john, SKORP17, killer_rectangle, jalebc, Mozart40, dodo, Snookerfan, hrhgln, Guvenistan, Elliott810, Brodie2000, Vodakhan
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Comments

on 25. October 2024, 15:38 by Guvenistan
Attention-to-detail in your coloring/pencil-marking is critical. It's so easy to make a mistake and then good luck in back-tracking.

on 25. October 2024, 07:31 by Mozart40
Somehow my brain kept trying to make dominos that added up to 10, so I needed to restart several times. Once I got used to the 11 rules, it was really fun.

on 25. October 2024, 01:02 by Jrosas
Yes. Well done, cornish-john

on 25. October 2024, 00:58 by cornish-john
Stonehenge looking a bit small in the grid!

Difficulty:4
Rating:88 %
Solved:12 times
Observed:0 times
ID:000KEB

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Solution code:

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