Friday 1 January 2021

Sudoku 70: Classic Sudoku

 

Rules: Place a digit from 1-9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.
Links:
Solve Online
Solution


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8 comments:

  1. Shambo Debnath1 January 2021 at 20:07

    3:55, got many unique rectangles which helped me reduce my solving time.

    ReplyDelete
  2. swaroop guggilam2 January 2021 at 02:08

    Great timing Shambo. I struggled a lot with this one, so not sharing my time :p, mainly I wanted to find the logical path, so was doing slowly. Spotting 2 in r8 was the key, I am not sure if there is another elegant path.
    Great Puzzle.

    ReplyDelete
    Replies
    1. Hemant Malani2 January 2021 at 06:20

      Hi Swaroop. I think the most critical step was getting 6 in box 1. It involved using a sword fish. Will explain it to you on whatsapp

      Delete
  3. kishy6 January 2021 at 14:04

    1:54. Easy.

    ReplyDelete
  4. Aashay Patil7 January 2021 at 08:30

    2:52, nice and easy! I didn't use any advanced technique, seemed pretty straightforward to me. I wonder where the others got stuck.

    ReplyDelete
  5. Jeetu15 April 2021 at 13:29

    Puzzle in the solving link is missing a digit. Is that intentional or missed by chance?

    ReplyDelete
    Replies
    1. Hemant Malani27 March 2022 at 23:42

      Thanks for pointing it out. Updated the same.

      This makes me realize why Swaroop took so long to solve this sudoku :P

      Delete

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