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Puzzling

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  • $\begingroup$ @hexomino, my tag is puzzle-creation, this tag was given by Randal'Thor. I would like to have unique solution and can add or remove some constraints. $\endgroup$
    – Nick
    Commented Aug 6, 2020 at 11:17
  • 2
    $\begingroup$ The phrasing seems ambiguous to me. "Water and electricity are used in 26 items". Does that mean that 26 items use both, and if so, can there still be other items that use one of them but not the other? Or does it mean that there are 26 items that use at least one of water and electricity? $\endgroup$
    – Jaap Scherphuis
    Commented Aug 6, 2020 at 12:12
  • $\begingroup$ @jaapscherphuis, you are right, I have updated two conditions on "at least one of...". I have edited the question. $\endgroup$
    – Nick
    Commented Aug 6, 2020 at 12:41