\[\begin{array}{ll} \begin{array}{l} {\begin{array}{l} {\begin{array}{l} {\phantom{-}}550 \\ {\,\,\,\,\,\,\underline{546}} \end{array}} \end{array}} & {\left| {\begin{array}{l} {\underline{91}} \\ 6 \end{array}} \right.} \end{array} \\ {\,\,\,\,\,\,\,\,\,\,\,\,4} \end{array}\]