\[\begin{array}{ll} \begin{array}{l} {\phantom{-}84057} \\ {\underline{\phantom{84057}}} \end{array} & \left| \begin{array}{l} \underline{12} \\ \square \end{array} \right. \\ \phantom{\begin{array}{l} {\phantom{-}84057} \\ {\underline{\phantom{84057}}} \end{array}} {}_{-\!} 57 \\ \phantom{\begin{array}{l} {\phantom{-}84057} \\ {\underline{\phantom{84057}}} \end{array}} {\underline{\phantom{-} \square}} \\ \phantom{\begin{array}{l} {\phantom{-}84057} \\ {\underline{\phantom{84057}}} \end{array}} \square \end{array}\]