D12121323331322331313232223132313231333132313223313123231323223321   >>    D1212132333132233131323222313231323133313231322331312323132322332   <<    D12121323331322331313232223132313231333132313223313123231323223323   >>      D12121323331322331313232223132313231333132313223313123231323223322   >>