This sort of rotation-and-superposition number system also appears (in base 5 too!) in the game Riven: https://dni.fandom.com/wiki/D%27ni_Numerals https://dni.f

This sort of rotation-and-superposition number system also appears (in base 5 too!) in the game Riven: https://dni.fandom.com/wiki/D%27ni_Numerals https://dni.fandom.com/wiki/D%27ni_Numerals It's sort of funny how both Kaktovik and the D'ni numerals were invented around the same time (1994 for Kaktovik and 1997 for when Riven was released).