Monday 15 June 2020

PUZZLE NO. 128 : Answer 8 Sudoku



RULES : Classic sudoku rules apply. Circled 8s between two orthogonally ( horizontally or vertically ) adjacent cells imply that one of the four binary operations ( addtion , subtraction, multiplication or division ) on the marked cells result in an 8. If there is no circled 8 between two orthogonally adjacent cells, 8 cannot be produced by the two digits going through any of the four binary operations.

11 comments:

  1. 12.13. Enjoyed this though I took long.

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  2. 8:13.Wow.I like the idea of this sudoku and would love to see more of this type Akash and no I don't think 12:13 is "long" on this. It's a decent time.

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    Replies
    1. Thanks Kishore. The idea of this is not mine. This variant was in Fred's blog. I really liked the idea.

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  3. 9:56, nice, innovative variant.

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  4. 7:00 Good use of converse constraints. This type also exists in argio-logic as Sudoku N.

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    Replies
    1. Good timing. Didn't know about the argio thing. I saw this variant on Fred's blog

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Puzzle No. 458: Sum Next to 9-Renban Sudoku

  Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. Clue...