Sunday 27 March 2022

PUZZLE NO. 308 : KROPKI PAIRS SUDOKU

 


RULES : Classic Sudoku rules apply. Additionally, if the absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit in a cell is half or double of the digit in a neighboring cell, then they are separated by a black dot. The dot staying between 1 and 2 can have any of these dots. All possible dots are not marked.

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6 comments:

  1. 12 minutes on 2nd try. The beginning is tricky.

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    Replies
    1. There is a neat trick. If you get that, it becomes quite approachable

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  2. This comment has been removed by the author.

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  3. Broke it first instance.Got it right second time.Brutally hard.

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    Replies
    1. This was intended to be solved set theory . Asish has made a video on this explaining what I intended to be the solve path

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    2. Nice saw it.I found an alternate way that really doesn't use the set and breaks into the sudoku nicely !

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Puzzle No. 431: Killer-German Whispers Hybrid 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.  The...