B331133131323131133132233133313231333132233132313331333132332133313113313111221   >>    B33113313132313113313223313331323133313223313231333133313233213331311331311122   <<    B331133131323131133132233133313231333132233132313331333132332133313113313111223   >>      B331133131323131133132233133313231333132233132313331333132332133313113313111222   >>