B33113313132313113313223313331323132313233313331312111133133313223313331212231   >>    B3311331313231311331322331333132313231323331333131211113313331322331333121223   <<    B33113313132313113313223313331323132313233313331312111133133313223313331212233   >>      B33113313132313113313223313331323132313233313331312111133133313223313331212232   >>