D12121323331322331313232223132313231333132313223313132322233231   >>    D1212132333132233131323222313231323133313231322331313232223323   <<    D12121323331322331313232223132313231333132313223313132322233233   >>      D12121323331322331313232223132313231333132313223313132322233232   >>