\documentclass[tikz,border=5pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{shapes.geometric}
\usetikzlibrary{decorations.markings}
\begin{document}
\begin{tikzpicture}
\matrix[column sep = 1.5 cm, row sep = 0.5 cm]{
\node at (0, 0) {$3^\ell 5^\ell 1^+$};
&
\draw (-1, 0) circle (0.15);
\draw (1, 0) circle (0.15);
\draw [rounded corners] (-0.15, 0) -- (-0.85, 0) (-1.15, 0) -- (-1.5, 0) -- (-1.5, 1) -- node [above, pos = 0.6] {$-1$} (1, 1) -- (1, -0.5)
-- (0, -0.5) -- (0, 0.5) -- node [above] {$+2$} (-1, 0.5) -- (-1, -1) -- node [below, pos = 0.4] {$-1$} (1.5, -1) -- (1.5, 0) -- (1.15, 0)
(0.85, 0) -- node [above] {$+2$} (0.15, 0);
&
\begin{scope}[scale = 0.75]
\draw [rounded corners]
(1.5, -0.8) cos (1, -1) sin (0.5, -1.2) -- (-0.2, -1.2) -- (-0.2, -0.3) (-0.2, 0.3) -- (-0.2, 0.8) -- (-1.8, 0.8) -- (-1.8, 0.2)
-- (0.5, 0.2)
(-2.2, 0) -- (-3, 0) -- (-3, 2) -- (-1, 2) cos (-0.5, 1.9) sin (0, 1.8) -- (1.8, 1.8) -- (1.8, 0.2) --
(1.5, 0.2) cos (1, 0.1) sin (0.5, 0) -- (-1.8, 0)
(1, -2.2) -- (3.2, -2.2) -- (3.2, 0.2) -- (2.2, 0.2) -- (2.2, 2.2) -- (-3.2, 2.2) -- (-3.2, -0.2) -- (-2.2, -0.2) -- (-2.2, -2.2) -- cycle
(1.8, 0) -- (1.5, 0) cos (1, -0.1) sin (0.5, -0.2) -- (-1.8, -0.2) -- (-1.8, -1.8) -- (0, -1.8) cos (0.5, -1.9) sin (1, -2) -- (3, -2) -- (3, 0)
-- (2.2, 0)
;
\draw [rounded corners, draw = white, double = black, double distance between line centers = 3 pt, line width = 2.6 pt]
(0, 0.3) -- (0, 1) -- (-2, 1) -- (-2, -2) -- (0, -2) cos (0.5, -1.9) sin (1, -1.8) -- (2.8, -1.8)
-- (2.8, -0.2) -- (2.2, -0.2) -- (2.2, -1.2) -- (1.5, -1.2) cos (1, -1.1) sin (0.5, -1) -- (0, -1) -- cycle
(0.2, 0.3) -- (0.2, 1.2) -- (-2.2, 1.2) -- (-2.2, 0.2) -- (-2.8, 0.2) -- (-2.8, 1.8) -- (-1, 1.8) cos (-0.5, 1.9) sin (0, 2) -- (2, 2)
-- (2, -1) -- (1.5, -1) cos (1, -0.9) sin (0.5, -0.8) -- (0.2, -0.8) -- cycle
(-0.2, -0.3) -- (-0.2, 0.3) (0.5, 0.2) cos (1, 0) sin (1.5, -0.2) -- (1.8, -0.2)
-- (1.8, -0.8) -- (1.5, -0.8)
;
\end{scope}
\\
\node at (0, 0) {$3^\ell 5^\ell 1^-$};
&
\draw (-1, 0) circle (0.15);
\draw (1, 0) circle (0.15);
\draw [rounded corners] (0, 0.15) -- (0, 0.5) -- node [above] {$+2$} (-1, 0.5) -- (-1, -1) -- node [below, pos = 0.4] {$-1$} (1.5, -1) --
(1.5, 0) -- (1.15, 0) (0.85, 0) -- node [above, pos = 0.25] {$+2$} (-0.85, 0) (-1.15, 0) -- (-1.5, 0) -- (-1.5, 1) --
node [above, pos = 0.6] {$-1$} (1, 1) -- (1, -0.5) -- (0, -0.5) -- (0, -0.15);
&
\begin{scope}[scale = 0.75]
\draw [rounded corners]
(1.5, -0.8) cos (1, -1) sin (0.5, -1.2) -- (-0.2, -1.2) -- (-0.2, -0.3)
(-2.2, 0) -- (-3, 0) -- (-3, 2) -- (-1, 2) cos (-0.5, 1.9) sin (0, 1.8) -- (1.8, 1.8) -- (1.8, 0.2) --
(1.5, 0.2) cos (1, 0.1) sin (0.5, 0) -- (-1.8, 0)
(1, -2.2) -- (3.2, -2.2) -- (3.2, 0.2) -- (2.2, 0.2) -- (2.2, 2.2) -- (-3.2, 2.2) -- (-3.2, -0.2) -- (-2.2, -0.2) -- (-2.2, -2.2) -- cycle
(1.8, 0) -- (1.5, 0) cos (1, -0.1) sin (0.5, -0.2) -- (-1.8, -0.2) -- (-1.8, -1.8) -- (0, -1.8) cos (0.5, -1.9) sin (1, -2) -- (3, -2) -- (3, 0)
-- (2.2, 0)
;
\draw [rounded corners, draw = white, double = black, double distance between line centers = 3 pt, line width = 2.6 pt]
(0, 0.3) -- (0, 1) -- (-2, 1) -- (-2, -2) -- (0, -2) cos (0.5, -1.9) sin (1, -1.8) -- (2.8, -1.8)
-- (2.8, -0.2) -- (2.2, -0.2) -- (2.2, -1.2) -- (1.5, -1.2) cos (1, -1.1) sin (0.5, -1) -- (0, -1) -- (0, -0.3)
(0.2, 0.3) -- (0.2, 1.2) -- (-2.2, 1.2) -- (-2.2, 0.2) -- (-2.8, 0.2) -- (-2.8, 1.8) -- (-1, 1.8) cos (-0.5, 1.9) sin (0, 2) -- (2, 2)
-- (2, -1) -- (1.5, -1) cos (1, -0.9) sin (0.5, -0.8) -- (0.2, -0.8) -- (0.2, -0.3)
(-0.2, 0.3) -- (-0.2, 0.8) -- (-1.8, 0.8) -- (-1.8, 0.2) -- (0.5, 0.2) cos (1, 0) sin (1.5, -0.2) -- (1.8, -0.2)
-- (1.8, -0.8) -- (1.5, -0.8)
;
\end{scope}
\\
};
\end{tikzpicture}
\end{document}