B33113313132313113313223313331323133313231313232233132323231221   >>    B3311331313231311331322331333132313331323131323223313232323122   <<    B33113313132313113313223313331323133313231313232233132323231223   >>      B33113313132313113313223313331323133313231313232233132323231222   >>