isn't this solved even on ancient east asian texts? and several other times on recent history? i even found this much more interesting use searching for the na

isn't this solved even on ancient east asian texts? and several other times on recent history? i even found this much more interesting use searching for the name of the proofs https://hackaday.com/tag/ford-securicode/ https://hackaday.com/tag/ford-securicode/