A working implementation is, and never will be, a requirement got the grant of a patent. The figures show an example of one or several implementations of an ide

A working implementation is, and never will be, a requirement got the grant of a patent. The figures show an example of one or several implementations of an idea, but have no baring in the defining the scope of the invention. There's no reason for parents related to software could not include source/pseudo code, it's just usually not very helpful.