B3311331313231311331322331333132313132313331323223313231333132322333131211   >>    B331133131323131133132233133313231313231333132322331323133313232233313121   <<    B3311331313231311331322331333132313132313331323223313231333132322333131213   >>      B3311331313231311331322331333132313132313331323223313231333132322333131212   >>