Tuesday, 16 June 2020

PUZZLE NO. 129 : Creasing Sudoku



RULES : Classic sudoku rules apply. Along the grey lines, digits are strictly increasing or strictly decreasing according to the direction in which they are read.
Note : This sudoku featured on the youtube channel Unshackling Sudokus & Puzzles. The link to the video can be found here Keep chipping away at this Creasing sudoku until it crumbles !

12 comments:

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    1. There is a nice logic in it. If you get that , it is not very difficult

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    2. I think I got that after a very long time

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    3. Actually lot of parity making was required

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  2. Too difficult.Same mistakes were repeating in one box.Atfter amending it was smooth.Difficult to say which of your creation is more interesting than the other

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    1. Thanks Ashok. It's really fun creating different types and I really feel encouraged by the feedback I receive here

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  3. This is a brilliant solve and construction.Will take its place with ease in any GP.I struggled a bit though taking 14:49 on this but I solved it in the "purest" logical way and it was fun.Wonder if I could have solved it faster by guessing

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    1. Thanks for the feedback Kishore. There was a logic connecting box 1,2 and 3. If u get that logic , it won't take that much of a time. Glad that u liked it.

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  4. 19:22, kept on breaking this. It was difficult to keep track of digits. This variant is similar to Thermo with open bulbs, which had appeared in GM puzzles a few years back

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    1. U have to pencil mark both ways and look for eliminations. There is a neat trick in the top 3 boxes which opens up the sudoku. Never thought of the similarity with thermo that you pointed out. Will try to create one without givens .

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Puzzle No. 462: XV 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. If t...