% backtracking worksheet template
\documentclass[leqno, 12pt]{article}
\usepackage{tikz} 
\usetikzlibrary{positioning}
\usetikzlibrary {arrows.meta}
\usepackage[a4paper, portrait, margin=1cm]{geometry}
\usepackage{multicol}
\pagestyle{empty}

\tikzset{backtrack/.style={rectangle,draw=black,fill=white,
inner sep=2pt,minimum height=32pt, minimum width=20mm}}
\tikzset{backtrackeq/.style={rectangle,draw=black,fill=white,
inner sep=2pt,minimum height=12pt, minimum width=20mm}}
\tikzset{backtrackstep/.style={rectangle,draw=none,fill=white,
inner sep=2pt,minimum height=12pt, minimum width=20mm}}

\def \HeadingAnswers {\section*{\Large Name: \underline{\hspace{8cm}} \hfill Date: \underline{\hspace{3cm}}} \vspace{-3mm}
{1-step backtracking: Answers} \vspace{1pt}\hrule}

\begin{document}
    \HeadingAnswers
    \vspace{-5mm}
    \begin{multicols}{2}
        <<col1>>
    \columnbreak
        <<col2>>
    \end{multicols}
\end{document}
