D12121323331322331313232223132313231323133313223313132313233111   >>    D1212132333132233131323222313231323132313331322331313231323311   <<    D12121323331322331313232223132313231323133313223313132313233113   >>      D12121323331322331313232223132313231323133313223313132313233112   >>