B33113313132313113313223313331323133313231313232233131333133313233313232223221   >>    B3311331313231311331322331333132313331323131323223313133313331323331323222322   <<    B33113313132313113313223313331323133313231313232233131333133313233313232223223   >>      B33113313132313113313223313331323133313231313232233131333133313233313232223222   >>