\DeclareSseqGroup \tower {} { \class(0,0) \DoUntilOutOfBounds { \class(\lastx,\lasty+1) \structline } } \begin{sseqdata}[ name = insert-example, y range = {0}{4}, class pattern = linear ] \tower(0,2) \tower(0,3) \tower(0,1) \end{sseqdata} \qquad \begin{sseqpage}[ name = insert-example ] \tower[ red, classes = { insert = 1 } ](0,0) \end{sseqpage} \qquad \begin{sseqpage}[ name = insert-example ] \tower[ red, classes = { insert = 2 } ](0,0) \end{sseqpage} \qquad \begin{sseqpage}[ name = insert-example ] \tower[ red, classes = { insert = 3 } ](0,0) \end{sseqpage} \qquad \begin{sseqpage}[ name = insert-example ] \tower[ red, classes = { insert = -2 } ](0,0) \end{sseqpage} \qquad \begin{sseqpage}[ name = insert-example ] \tower[ red, classes = { insert = -3 } ](0,0) \end{sseqpage}