\begin{picture}(150, 150)(-100, -100)
\put(-25,42){\line(-3,-5){25}}
\put(-25, 42){\line(1, 0){50}}
\put(25, 42){\line(3,-5){25}}
\put(-25, -42){\line(1,0){50}}
\put(-25, -42){\line(-3, 5){25}}
\put(25, -42){\line(3, 5){25}}

\put(-25, 42){\circle*{3}}
\put(-25, -42){\circle*{3}}
\put(25, 42){\circle*{3}}
\put(25, -42){\circle*{3}}
\put(-50, 0){\circle*{3}}
\put(50, 0){\circle*{3}}
\put(0, 3){\circle*{3}}
\put(0, -3){\circle*{3}}

\put(-28, 47){$n$}
\put(28, 47){$p$}
\put(-28, -55){$\Xi^{-}$}
\put(28, -55){$\Xi^{0}$}
\put(55, 0){$\Sigma^{+}$}
\put(-65, 0){$\Sigma^{-}$}
\put(0, 10){$\Sigma^{0}$}
\put(0, -15){$\Lambda$}

\put(-120, 43){$s=0$}
\put(-120, 0){$s=-1$}
\put(-120, -43){$s=-2$}

\put(-20, -85){$q=-1$}
\put(45, -85){$q=0$}
\put(70, -30){$q=1$}
\end{picture}