Ludus duodecim scriptorum was a board Gioco popular during the time of the Roman Empire. The name translates as “game of twelve markings”, likely referring to the three rows of 12 markings found on surviving boards. Like most ancient board games, there isn’t a full set of rules. However, here https://claytonmqvzb.rimmablog.com/28011972/churchill-cose-da-sapere-prima-di-acquistare