B3311331313231311331322331333132313233313231333131133132332132323221   >>    B331133131323131133132233133313231323331323133313113313233213232322   <<    B3311331313231311331322331333132313233313231333131133132332132323223   >>      B3311331313231311331322331333132313233313231333131133132332132323222   >>