god damn it i was gearing up to write a nice thoughtful response and the end completely derailed me hahahaha. well played.
anyway, this is really great! learning the rules of the symbols was very satisfying. i got held up for a while on a combined mental mistake, ba frpgvba 2 v zvfvagrecergrq gur / nf n qvivqr, naq qhr gb gung v ergebnpgviryl ehyrq gung rirelguvat jnf onfr 5 vafgrnq bs onfr 4. bapr v ernyvmrq vg jnf n fhogenpg vg nyy sryy vagb cynpr
super fun very nice :)