D121213233313223313132322231323132313231333132233132313232213123131   >>    D12121323331322331313232223132313231323133313223313231323221312313   <<    D121213233313223313132322231323132313231333132233132313232213123133   >>      D121213233313223313132322231323132313231333132233132313232213123132   >>