D121213233313223313132322231323132313231333132233131323132313211   >>    D12121323331322331313232223132313231323133313223313132313231321   <<    D121213233313223313132322231323132313231333132233131323132313213   >>      D121213233313223313132322231323132313231333132233131323132313212   >>