B33113313132313113313223313331323132313233313331311233133313232333132232311   >>    B3311331313231311331322331333132313231323331333131123313331323233313223231   <<    B33113313132313113313223313331323132313233313331311233133313232333132232313   >>      B33113313132313113313223313331323132313233313331311233133313232333132232312   >>