B33113313132313113313223313331323132322331323321323133313331323133313233112231   >>    B3311331313231311331322331333132313232233132332132313331333132313331323311223   <<    B33113313132313113313223313331323132322331323321323133313331323133313233112233   >>      B33113313132313113313223313331323132322331323321323133313331323133313233112232   >>