B33113313132313113313223313331323133313231313232233132323212321   >>    B3311331313231311331322331333132313331323131323223313232321232   <<    B33113313132313113313223313331323133313231313232233132323212323   >>      B33113313132313113313223313331323133313231313232233132323212322   >>