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+%%
+%% Description: The May spectral sequence for $Ext(\HF_{2*}bo)$
+%%
+%% This is the May spectral sequence computing Ext_{A(1)} ( F_2, F_2 ), which by a change of rings and a simple argument that the ASS has to collapse,
+%% is telling us pi_* bo. See the Green Book for reference.
+%% The main purpose of this example from my perspective is to illustrate the utility of class "tags".
+%%
+
+
+\documentclass[tooltips]{spectralsequence-example}
+
+\NewSseqCommand\tower {} {
+ \class(0,0)
+ \foreach\i in {1,...,11}{
+ \class(0,\i)
+ \structline(0,\i-1,-1)(0,\i,-1)
+ }
+}
+\NewSseqGroup\hvee {} {
+ \tower
+ \foreach\i in {1,...,11}{
+ \class(\i,\i)
+ \structline(\i-1,\i-1,-1)(\i,\i,-1)
+ }
+}
+
+\begin{document}
+\begin{sseqdata}[
+ name=A1 May,
+ x range={0}{10}, y range={0}{10},
+ degree={-1}{1},
+ classes={fill, tooltip = {(\xcoord,\ycoord)}},
+ class labels={below=3pt},
+ run off differentials= ->,
+ no orphan edges,
+]
+\foreach\i in {0,1,2}{
+ \begin{scope}[xshift=4*\i,yshift=2*\i,tag prefix=\i.]
+ \hvee[tag=id](0,0)
+ \hvee[tag=h0h1](1,2)
+ \hvee[tag=h20](2,1)
+ \foreach\j in {1,...,10}{
+ \d1(2,\j,h20,h0h1)
+ }
+ \foreach\j in {1,...,10}{
+ \d1(2+\j,1+\j,h20,h0h1)
+ }
+ \end{scope}
+}
+
+
+\foreach\i in {0,...,7}{
+ \d2(4+\i,2+\i,1.id,0.id)
+}
+\class(12,6)
+\d2(12,6,,1)
+
+%\classoptions["h_0"](0,1)
+\classoptions["h_1"](1,1)
+\classoptions["h_{20}"](2,1)
+\classoptions["h_{20}^2"](4,2)
+\classoptions["h_{20}^3"](6,3)
+\classoptions["h_{20}^4"](8,4)
+\classoptions["h_{20}^5"](10,5)
+
+\doptions[shorten >=3pt]1(10,10,2.h20,2.h0h1)
+\end{sseqdata}
+
+\printpage[name=A1 May,page=1]
+\newpage
+\printpage[name=A1 May,page=2]
+\newpage
+\begin{sseqpage}[name=A1 May,page=3]
+\classoptions["h_0h_{20}^2"](4,3,1.id)
+\end{sseqpage}
+\end{document} \ No newline at end of file