D23112313233313223313132322331323132313331313223313232313231311311   >>    D2311231323331322331313232233132313231333131322331323231323131131   <<    D23112313233313223313132322331323132313331313223313232313231311313   >>      D23112313233313223313132322331323132313331313223313232313231311312   >>