First Seen Odd/Even Sudoku by Bill Murphy
(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
Can you figure how each of the “First Seen” parity clues work in today’s Genuinely Approachable Sudoku from Bill Murphy?
or solve online (using SudokuPad)
Author/Opus: This is the 130th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.
Rules: Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). The clues outside the grid reveal the first odd or even value appearing in that direction in the row or column. Any number of values of the opposite parity (even or odd) may appear before the first odd or even number.
GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Advised Adasaurus.
Thomas Hits the GAS (highlight to view): 3:52, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).
Solution: PDF; solving video with explanation to be added later from GAS team.
Note: Follow this link for other less common variations of Sudoku.
Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.