Logic Masters Deutschland e.V.

Double Spiral Sudoku

(Published on 12. October 2021, 15:26 by vidarino)

Double Spiral Sudoku

A collaborative effort by SimiC and vidarino.

Rules:

  • Normal sudoku rules apply
  • In the white spiral, the digits 1, 2 and 3 must appear in this order an unknown number of times, so that they form a 123123... chain along the spiral. The digits do not have to be consecutive. The chain must start with a 1 and end with a 3.
  • The blue spiral works the same way, but with digits 4, 5 and 6. The chain must start with a 4 and end with a 6.
  • Both spirals start at the top left and end in box 5.

F-puzzles: https://f-puzzles.com/?id=yjtqzfhm

CTC app: https://bit.ly/3mNqpSh

Solution code: Enter the digits for rows 5 and 9. No spaces.

Last changed on on 12. October 2021, 19:24

Solved by SudokuExplorer, jalebc, SKORP17, StephenEsven, BlackApolloX, Realshaggy, bernhard, Johannes Quack, djorr, marcmees, SimiC, ExFalsoQuodlibet, taylorsc, john9, sherrick, krash, mobiustrip, ... Krokant, Tsegen, Crul, bergelfe, Buchi, Guillem98, Mad-Tyas, lovely, adam001, -Tsigje-, rcg, vmirandaa, flaemmchen, chain.reader, Just me, zrbakhtiar, Carolin, Jodelbanane, FlashZange, asii, Kekes
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Comments

on 12. October 2021, 21:47 by SimiC
This was very fun to set with vidarino! Hope you like it and have fun!

on 12. October 2021, 19:24 by vidarino
Clarified the rules a bit.

on 12. October 2021, 16:39 by PleaseIgnore
Rules are not super clear. Do the chains have to be consecutive? or can you have 123 then some numbers and then 123 again

Difficulty:2
Rating:92 %
Solved:70 times
Observed:9 times
ID:0007WZ

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