B33113313132313113313223313331323331323321133133313331323132322221311   >>    B3311331313231311331322331333132333132332113313331333132313232222131   <<    B33113313132313113313223313331323331323321133133313331323132322221313   >>      B33113313132313113313223313331323331323321133133313331323132322221312   >>