Thumbs up for the old school If 44-33-555-555-666 is hello and 9-666-777-555-3 is world, what is: 9-33-0-2-777-33-0-3-33-888-33-555-666-7-33-777-7777 = ??? Can you do an encoder/decoder for this way of writing?
Here is (verbose) programmatic version 😀 (no UI)
https://gist.github.com/gpetrioli/cfc05bb447f2706f2de833c9cea4e351