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Puzzling

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  • $\begingroup$ Also correct! I don't know whether there are any solutions other than the two found so far. $\endgroup$ Commented yesterday
  • $\begingroup$ @MishaLavrov. Are there official solutions? Which solution do they give? $\endgroup$ Commented yesterday
  • 2
    $\begingroup$ @Pranay The official solutions are here and they give both approaches (as well as an interesting argument for why there is no shorter set of directions). $\endgroup$ Commented yesterday
  • $\begingroup$ @MishaLavrov. Oh wow, that’s much simpler than the argument in my answer and very clear. $\endgroup$ Commented yesterday
  • 1
    $\begingroup$ @Pranay I was only counting optimal solutions. I'll write up an answer in a few hours. $\endgroup$ Commented yesterday