No solution path ?
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I can't tell you why there's no visible Solution path, but Copy Candidates and Paste brings it up for me.
It certainly is solvable, otherwise HoDoKu would indicate it as invalid. And, both Find all steps and Hints work ok.
hth
Last edit: CCV 2018-08-10
Yes, Wenn pressing Solve Up To nothing happens for above mentioned Sudoku.
@Vincent K., lol, I finally figured why there is no solution path in this case. Givens are not set. The numbers are blue, meaning they are Values and no puzzle has yet been created. Not sure what the procedure is supposed to be, but Copy either Values or Candidates and Paste will set Givens - the numbers will change to black and only then do you have a puzzle with a solution path.
@Erin Vives, I noticed in some cases that Solve up to appears to do nothing. Maybe try going further down in the path and see what happens.
Maybe that is the reason why no solution could be found for #264
(This post has #263)
For #264 the puzzle is invalid and has no single solution. Setting "Givens", in that case, will cause a message to that effect to be displayed.
actually it HAS a single solution just not with HoDoKu.
@Erin, a reminder for you.