Permutation
(1)
\begin{align} p=\left( \begin{array}{cccc} 1 & 2 & 3 & 4 \\ 2 & 3 & 4 & 1 \\ \end{array} \right) \end{align}
(2)
\begin{equation} P:(1,2,3,4)→(4,1,2,3) not(2,3,4,1) \end{equation}
Permutation.jpg
The marble in box 1 moves to box 2, the marble in box 2 moves to box 3, the marble in box 3 moves to box 4, and the marble in box 4 moves to box 1.
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