\documentclass{standalone}

\usepackage{tikz}
\usepackage{shapes}

\begin{document}
\begin{tikzpicture}
  \foreach\k in {2,...,4}{
    \cross{cyan}{(2*\k,\k)}
    \cross{cyan}{(5,15)++(\k,-2*\k)}
  }
  \foreach\k in {1,...,3}{
    \cross{cyan}{(-5,10)++(2*\k,\k)}
  }
  \cross{cyan}{(3,5)}
  \cross{cyan}{(5,9)}
  \cross{cyan}{(-1,7)}
  \cross{cyan}{(0,9)}
  \cross{cyan}{(6,6)}
  \cross{cyan}{(1,6)}
  \cross{cyan}{(3,10)}
  \cross{cyan}{(4,12)}
  \cross{cyan}{(1,3)}
  \cross{cyan}{(-2,4)}
  \cross{cyan}{(-4,8)}

  \square{black}{(3,3)}
  \square{black}{(2,4)}
  \square{black}{(4,4)}
  \square{black}{(5,4)}
  \square{black}{(5,5)}
  \square{black}{(7,5)}
  \square{black}{(8,6)}
  \square{black}{(7,7)}
  \square{black}{(7,8)}
  \square{black}{(6,8)}
  \square{black}{(6,10)}
  \square{black}{(5,11)}
  \square{black}{(2,12)}
  \square{black}{(2,11)}
  \square{black}{(1,11)}
  \square{black}{(0,11)}
  \square{black}{(1,10)}
  \square{black}{(-1,10)}
  \square{black}{(-2,10)}
  \square{black}{(-2,9)}
  \square{black}{(-3,9)}
  \square{black}{(-2,8)}
  \square{black}{(-1,5)}
  \square{black}{(0,5)}
  \square{black}{(0,4)}
\end{tikzpicture}
\end{document}