B33113313132313113313223313331323331323321133133313331323132313232212231   >>    B3311331313231311331322331333132333132332113313331333132313231323221223   <<    B33113313132313113313223313331323331323321133133313331323132313232212233   >>      B33113313132313113313223313331323331323321133133313331323132313232212232   >>