[tex]\begin{gathered} S^{\prime}=(7,1) \\ U^{\prime}=(6,4) \\ N^{\prime}=(1,2) \end{gathered}[/tex]
[tex]\begin{gathered} S(1,7)\to(y,x)\to S^{\prime}(7,1) \\ U(4,6)\to(y,x)\to U^{\prime}^{}(6,4) \\ N(2,1)\to(y,x)\to N^{\prime}(1,2) \end{gathered}[/tex]
