Isodoku by Wei-Hwa Huang

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Isodoku by Wei-Hwa Huang


Theme: One of Each Digit

Author/Opus: This is the 1st puzzle from guest contributor Wei-Hwa Huang.

Rules: Standard Isodoku rules, using numbers 1-8.

Answer String: Enter the 1st “row” from left to right, followed by a comma, followed by the 8th “row” from left to right.

Time Standards (highlight to view): Grandmaster = 8:00, Master = 18:00, Expert = 36:00

Solution: PDF

Note: Follow this link for other Isodoku. If you are new to this puzzle type, here are our easiest Isodoku to get started on.

  • John B says:

    One of the best hard isodoku ever. I spent too much time drawing stars of David to get the basic analysis going very fast, but eventually the steps of the stairway became visible.

  • skynet says:

    Extremely difficult puzzle.~52 mins to solve this.

  • skynet says:

    8 mins GM Time??Who was the test solver who completed this puzzle in 8 mins??Amazing!

  • Deanna says:

    I printed out a bunch of puzzles from this site so I’d have stuff to do on the plane for a recent trip I took. This puzzle took me almost an hour to solve too but it was definitely the most memorable.

  • Ryan says:

    Absolutely brutal puzzle! I adored spending 1.5 hours of my life cracking this one!

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