Give the result of applying the row operation $R_{1} \leftrightarrow R_{3}$ to the given matrix.

$\left[\begin{array}{ccc} -3 &1 &-3\cr 3 &5 &-3\cr 2 &-1 &1 \end{array}\right] \mathop{\longrightarrow}^{R_{1} \leftrightarrow R_{3}}$ $\left[\Rule{0pt}{3.6em}{0pt}\right.$$\left]\Rule{0pt}{3.6em}{0pt}\right.$