D12121323331322331313232223132313231333132313223313132333132322333231   >>    D1212132333132233131323222313231323133313231322331313233313232233323   <<    D12121323331322331313232223132313231333132313223313132333132322333233   >>      D12121323331322331313232223132313231333132313223313132333132322333232   >>