Figure in the middle of a multicol text

fig-multicol.tex

\documentclass[11pt,a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage[english]{babel}
\usepackage{blindtext,calc,multicol,wrapfig}
 
\begin{document}
   \begin{multicols}{2}
     \blindtext
     \begin{wrapfigure}[6]{r}[.5\width+.5\columnsep]{6cm}
       \centering
       \begin{minipage}{5cm}
         \large
         "The quick brown fox jumps over the sleazy dog. The quick brown fox jumps over the sleazy dog."
       \end{minipage}
     \end{wrapfigure}
     \blindtext[2]
 
     \begin{wrapfigure}[6]{l}[.5\width+.5\columnsep]{6cm}
       \vfill
     \end{wrapfigure}
     \blindtext
   \end{multicols}
\end{document}