\documentclass[a4paper,twoside]{article}

\usepackage[
    hmarginratio=1:1,
    top=32mm,
    columnsep=20pt,
    footnotesep=1cm
]{geometry}

\input{x3-general-preamble}

\documentclass[a4paper,twoside]{article}

\usepackage[
    hmarginratio=1:1,
    top=25mm,
    bottom=25mm,
    columnsep=20pt,
    footnotesep=1cm,
    left=25mm
]{geometry}

\input{x3-general-preamble}

Adjust paper margins for more space
Adjust paper margins for more space
