D23112313233313223313132322331323132313331313223313231323123123231   >>    D2311231323331322331313232233132313231333131322331323132312312323   <<    D23112313233313223313132322331323132313331313223313231323123123233   >>      D23112313233313223313132322331323132313331313223313231323123123232   >>