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Zipper Gramophone: Sudoku puzzles that get Harder as you solve

13 Jun 2024 · 1,293 views

Renban Zipper Parity line
27:27

Case notes

Today's Puzzle:

As the title says, that's the second puzzle in a row that seems to get harder as you solve it. Aside from the phenomenal solve path and construction, we also have a visual reference to the title from Flash Groudon. Well done Flash, well done.

Link to Play:

Zipper Gramophone by Flash Groudon https://tinyurl.com/SudokuSleuthZipperGramophone

Rules:

Normal sudoku rules apply. Place the digits 1-9 once each in every row, column, and 3x3 box.

Zipper Lines (lavender): Digits an equal distance from the center of a lavender 'zipper line' must sum to the digit in the middle of that line.

Renban Lines (pink): Digits on a pink 'renban line' must form a non-repeating set of consecutive digits, in any order.

Parity Lines (peach): Digits along a peach 'parity line' must alternate between odd and even.

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