enter image description hereThis puzzle was given to my 8 year old from the school. My child was struggling, so I gave it a bash, but was unable. I do sudoku regularly so know most methods of solving. I gave it to my husband and he got to the exact same point as me. Just wondering if this can be solved without guessing in any way?

  • $\begingroup$ Source appears to be: education.com/worksheet/article/generated-kayak-sudoku $\endgroup$ – LeppyR64 Jun 4 '20 at 18:52
  • $\begingroup$ Yes, the school did provide an answer sheet when requested. Which showed I was correct up until I got stumped. I felt like there was one number too few in the puzzle, so I’m just trying to see if a better puzzle solver has been able to do it without guessing $\endgroup$ – Claire Taylor Jun 4 '20 at 19:41

As a standard sudoku, this puzzle does not have a unique solution. It has 31 possible solutions. This was verified using the Sudoku Solver by Andrew Stuart.

Therefore it cannot be solved in a usual logical way unless the "Kayak" lends another wrinkle to the ruleset.

  • 2
    $\begingroup$ How do you determine this? $\endgroup$ – Ben Barden Jun 4 '20 at 18:46
  • 1
    $\begingroup$ @BenBarden See my edit. :) $\endgroup$ – LeppyR64 Jun 4 '20 at 18:50

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