Overlapping arrows

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% Overlapping arrows
% Author: Elena Botoeva
\documentclass{article}
\usepackage[margin=0.3cm, paperwidth=3.3cm, paperheight=3.3cm]{geometry}
\usepackage{tikz}
\usetikzlibrary{shadows}
\definecolor{darkblue}{rgb}{0.2,0.2,0.6}
\definecolor{darkred}{rgb}{0.6,0.1,0.1}
\definecolor{darkgreen}{rgb}{0.2,0.6,0.2}
\def\arrow{
  (10.75:1.1) -- (6.5:1) arc (6.25:120:1) [rounded corners=0.5] --
  (120:0.9) [rounded corners=1] -- (130:1.1) [rounded corners=0.5] --
  (120:1.3) [sharp corners] -- (120:1.2) arc (120:5.25:1.2)
  [rounded corners=1] -- (10.75:1.1) -- (6.5:1) -- cycle
}
\tikzset{
  ashadow/.style={opacity=.25, shadow xshift=0.07, shadow yshift=-0.07},
}
\def\arrows[#1]{         
  \begin{scope}[scale=#1]
    \draw[color=darkred, %
    drop shadow={ashadow, color=red!60!black}] \arrow;
    \draw[color=darkgreen, bottom color=green!90!black, top color=green!60, %
    drop shadow={ashadow, color=green!60!black}] [rotate=120] \arrow;
    \draw[color=darkblue, right color=blue, left color=blue!60, %
    drop shadow={ashadow, color=blue!60!black}] [rotate=240] \arrow;
    % to hide the green shadow
    \draw[color=darkred, left color=red, right color=red!60] \arrow;
  \end{scope}
}
\begin{document}
\thispagestyle{empty}
\begin{center}
 
 
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