With unicode looping:
\documentclass{minimal}
\usepackage[paperwidth=4cm,paperheight=112cm,textheight=110cm]{geometry}
\usepackage{fontspec}
\usepackage{unicode-math}
\usepackage{pgffor}
\usepackage{pgfmath}
\pgfmathsetbasenumberlength{5}
\newcommand{\printunicoderange}[4]{%#1=range begin, #2=range end,
#3=before code, #4=after code
\pgfmathbasetodec{\rangebegin}{#1}{16}
\pgfmathbasetodec{\rangeend}{#2}{16}
\foreach \decimalunicode in {\rangebegin,...,\rangeend}%
{%
\pgfmathdectoBase{\hexadecimalunicode}{\decimalunicode}{16}
#3%
\char"\hexadecimalunicode
%\hexadecimalunicode
#4
}
}
\begin{document}
\begin{minipage}[t]{1cm}
\raggedleft
\setmathfont{Asana Math}
\printunicoderange{2200}{22ff}{$}{$\\}
\end{minipage}
\begin{minipage}[t]{1cm}
\raggedright
\setmathfont{XITS Math}
\printunicoderange{2200}{22ff}{$}{$\\}
\end{minipage}
\end{document}
Strange page geometry was necessary, because of the missing page breaks
in the minipage environment.
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