D121213233313223313132322231323132313231333132233131133132313231321   >>    D12121323331322331313232223132313231323133313223313113313231323132   <<    D121213233313223313132322231323132313231333132233131133132313231323   >>      D121213233313223313132322231323132313231333132233131133132313231322   >>