%%
%% Copyright (c) 2022-2023 by Friedemann Bartels
%%
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version.  The latest version of this license is in:
%%
%%    http://www.latex-project.org/lppl.txt
%%
%% and version 1.3c or later is part of all distributions of
%% LaTeX version 2008/05/04 or later.
%%

\documentclass[draft,bleed=3mm,pagecolor=black,color=white,grid,twoside]{pagelayout}

\margin=5mm
\pagewidth=10cm
\pageheight=10cm

\graphicspath{{images}}

\newtemplate{my tpl}{
  \setgrid[
    gutter=5mm
  ]{{{1}{1}} {{1}{1}{1}{1}}}

  \placeholder[1]{0 0 1.7 1.4}
  \placeholder[3]{}
  \placeholder[4]{}
  \placeholder[2]{0 1 1 2}
  \placeholder[5]{1 1 1.5 2}
  \placeholder[6]{}

  \setgrid[gutter=5mm]{{{1}{1}}{{1}}}
  \text[bottom]{1}
  \text[bottom]{2}
  \text[bottom]{3}
  \text{OVERFLOW}
}
\newtemplate{my tpl 2}{
  \setgrid{{{2}{1}}{{2}{1}}}
  \placeholder{}
  \placeholder{}
  \placeholder{}
  \placeholder{0 0 1 1}
  \placeholder{}
  \placeholder{}
  \placeholder{}
}

\begin{document}

  \page{
    \setgrid[gutter=5mm]{{{1}{1}} {{1}{1}{1}{1}}}

    \place{0 0 1.7 1.4}
    \graphic{1x1}

    \text{2}

    \text{
      3\par
      \ifrightpage{
        right\par
        page
      }
    }

    \place{0 1 1 2}
    \text{4}
    \text{OVERFLOW}

    \setgrid[gutter=5mm]{{{1}{1}}{{1}}}
    \text[bottom]{1}
    \text[bottom]{2}
    \text[bottom]{3}
    \text{OVERFLOW}
  }

  \template{my tpl}{
    \graphic{1x1}

    \text{2}

    \text{
      3\par
      \ifleftpage{
        left\par
        page
      }
    }

    \text{4}
  }

  \page{
    \setgrid{{{1}{2}}{{1}{2}}}
    \text{1}
    \text{2}
    \text{3}
    \place{0 0 1 1}
    \text[center]{4}
    \text{5}
    \text{6}
  }

  \template{my tpl 2}{
    \text{7}
    \text{8}
    \text{9}
    \text[center]{10}
    \text{11}
    \text{12}
  }

\end{document}
