Only need to answer $2\mathrm{.}2\mathrm{.}25,$ thank you.

In Exercises $2\mathrm{.}2\mathrm{.}18$ through $2\mathrm{.}2\mathrm{.}27,$ find the vertex and edge orbits of the given graph.

$2\mathrm{.}2\mathrm{.}25$ The graph of Figure $2\mathrm{.}2\mathrm{.}9($a$).$