B33113313132313113313223313331323331323321133133313331323132213231323121   >>    B3311331313231311331322331333132333132332113313331333132313221323132312   <<    B33113313132313113313223313331323331323321133133313331323132213231323123   >>      B33113313132313113313223313331323331323321133133313331323132213231323122   >>