D23112313233313223313132322331323132313331313223313232313231111   >>    D2311231323331322331313232233132313231333131322331323231323111   <<    D23112313233313223313132322331323132313331313223313232313231113   >>      D23112313233313223313132322331323132313331313223313232313231112   >>