B3311331313231311331322331333132313233313231333131133132322331323223331   >>    B331133131323131133132233133313231323331323133313113313232233132322333   <<    B3311331313231311331322331333132313233313231333131133132322331323223333   >>      B3311331313231311331322331333132313233313231333131133132322331323223332   >>