\SseqNewFamily{imJ}
\begin{sseqdata}[
    name=ANSS-S_2, Adams grading,
    class labels = {below}, label distance = -1pt,
    class placement transform = {rotate = 90, scale = 2},
    differentials = blue,
    x range = {0}{9}, y range = {0}{4},
    xscale = 0.7, grid = go
]
% Image of J classes
\begin{scope}[imJ]
\class[rectangle,fill,inner sep=3pt](0,0)
\DoUntilOutOfBoundsThenNMore{3}{\etaclass}
\classoptions["\alpha_1" above left](1,1)
\class["\alpha_{2/2}", circlen = 2](3,1)
\structline(0,0) \structline[dashed](3,3)
\class["\alpha_3"](5,1) \d3\relax
\DoUntilOutOfBounds{ \etaclass \d3 }
\class["\alpha_{4/4}", rectangle, "16" {font = \tiny, inside}, inner sep = 1pt](7,1)
\DoUntilOutOfBoundsThenNMore{3}{\etaclass}
\end{scope}

% Other classes
\class["\beta_{2/2}" {below right=-4pt}, insert = 1](6,2)
\structline(3,1)
\class["\beta_{2}" left](8,2)
\etaclass\structline(6,2,2) % This is a *nu
\end{sseqdata}

\printpage[ name = ANSS-S_2, title = with image of J, imJ style = purple]

\printpage[ name = ANSS-S_2, no imJ, x range={2}{9}, title = without image of J]