=config head1 :numbered
=config head2 :numbered
=config head3 :!numbered
=head1 The Problem
=head1 The Solution
=head2 Analysis
=head3 Overview
=head3 Details
=head2 Design
=head1 The Implementation
=config head1 :numbered
=config head2 :numbered
=config head3 :!numbered
=head1 The Problem
=head1 The Solution
=head2 Analysis
=head3 Overview
=head3 Details
=head2 Design
=head1 The Implementation