\contentsline {section}{\numberline {1}Problem Introduction}{1}{}% \contentsline {section}{\numberline {2}Program Preface}{2}{}% \contentsline {section}{\numberline {3}Programming Approach}{3}{}% \contentsline {subsection}{\numberline {3.1}Line Class}{3}{}% \contentsline {subsection}{\numberline {3.2}HiddenLines Class}{3}{}% \contentsline {subsubsection}{\numberline {3.2.1}Constructing the Problem}{4}{}% \contentsline {subsubsection}{\numberline {3.2.2}Generating the Solution}{4}{}% \contentsline {subsubsection}{\numberline {3.2.3}Printing the solution}{4}{}% \contentsline {section}{\numberline {4}Results}{5}{}%