$$\documentclass[varwidth=true, border=2pt]{standalone}
% Color
\usepackage{color}
\definecolor{lightgray}{gray}{0.95}
%Additional packages and symbol definition
\usepackage{tikz}
\newcommand{\agni}{%
\begin{tikzpicture}[x=1.4ex, y=1.4ex, scale=0.5, baseline=-.8ex]
\draw[semithick] (-1,1) – (0,1) – (0,-1) – (1,-1);
\draw[semithick] (-1,-1) – (-1,0) – (1,0) – (1,1);
\end{tikzpicture}%
}
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