periodic lattice component

**Figure:** T10's do not lend themselves very well to inclusion in lattices of small period, a trait held in common with all the larger triangles. The problem is that it is hard to fill the crannies under the diagonal. This lattice corresponds to ``right 9 in 3 generations.''
$\begin{figure}\centering\begin{picture}(300,120) \put(0,00){\epsfxsize =300pt \epsffile{tar9in3.eps}} \end{picture}\end{figure}$

**Figure:** Another T10 lattice corresponde to ``right 9 in 10 generations.''
$\begin{figure}\centering\begin{picture}(260,150) \put(0,00){\epsfxsize =260pt \epsffile{tar9ina.eps}} \end{picture}\end{figure}$