B33113313132313113313223313331323132313331313232233132112311111   >>    B3311331313231311331322331333132313231333131323223313211231111   <<    B33113313132313113313223313331323132313331313232233132112311113   >>      B33113313132313113313223313331323132313331313232233132112311112   >>