B33113313132313113313223313331323132322331323321323323123232311   >>    B3311331313231311331322331333132313232233132332132332312323231   <<    B33113313132313113313223313331323132322331323321323323123232313   >>      B33113313132313113313223313331323132322331323321323323123232312   >>