nauty-cubhamg(1) on Linux
The text 657778665ffa, as Debian 11 (Bullseye) shipped it.
find hamiltonian cycles in subcubic graphs
Flags it lists
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-# -
-E -
-F -
-I -
-R# -
-T# -
-V -
-b -
-e -
-i -
-n#-# -
-o -
-t -
-v -
-x -
-y#-#