Logic Masters Deutschland e.V.

Kaleidoscope

(Published on 8. April 2026, 06:49 by Scojo)

Rules:
  • Deconstruction Sudoku: Locate 9 3x3 regions within the grid and fill those regions with the digits 1-9 so that digits do not repeat within a row, column, or region. Cells not within a region do not contain digits, and are ignored when considering the following rules.
  • Any digits in a circle are odd, and each circle contains an odd number of digits.
  • Any digits in a square are even, and each square contains an even number of digits (0 is an even number).
  • Triangles may contain any amounts of even and odd digits.
  • The sum of the digits in any shape is a multiple of the number of digits in that shape.
  • Any cell that is partially or fully within a shape is considered to be in that shape.

Solve in SudokuPad

Solution code: All digits in row 4

Last changed on on 8. April 2026, 10:08

Solved by onlainari, lars, Andrewsarchus, jwsinclair, SennyK, SKORP17, zeniko, mellowrobinson, gdc, deltameth, widjo, Isael, kehan628, SimiC, Piff, AAAAAAAAAAAAAAAAAAA, Clara123, henrypijames, Crusader175, Bellsita, samjna0049, dorverbin, stranac
Full list

Comments

yesterday, 06:49 by Crusader175
Fun puzzle!

on 8. April 2026, 22:05 by zeniko
That‘s a elegantly looking arrangement of shapes, which slowly but steadily guide through the puzzle. Thanks for sharing.

on 8. April 2026, 19:17 by SennyK
Great puzzle, I love positions of given digits! :-)

on 8. April 2026, 16:51 by jwsinclair
Enjoyed this a lot :) Really makes the most of a (relatively) simple ruleset

on 8. April 2026, 11:11 by onlainari
I struggled with the first half of this puzzle, I think I counted the number of evens or odds in a hypothetical row or column dozens of times to find contradictions. I probably missed some logic that constructs the 9 3x3 faster.

on 8. April 2026, 10:08 by Scojo
Clarified rules

Difficulty:4
Rating:93 %
Solved:23 times
Observed:1 times
ID:000S8D

Variant combination Online solving tool

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Solution code:

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