Aldehyde And Ketone

Which one of the following is the correct order of reagents to be used to convent [A] to [X] ?

\(\text { Reagents: } \mathrm{PCC}, \mathrm{PCl}_5, \mathrm{LiAlH}_4, \frac{\mathrm{KCN}}{\mathrm{H}_3 \mathrm{O}^{+}}\)