D23112313233313223313132322331323132313331313223313132313232111   >>    D2311231323331322331313232233132313231333131322331313231323211   <<    D23112313233313223313132322331323132313331313223313132313232113   >>      D23112313233313223313132322331323132313331313223313132313232112   >>