D121213233313223313132322231323132313331323132233131323331323121111   >>    D12121323331322331313232223132313231333132313223313132333132312111   <<    D121213233313223313132322231323132313331323132233131323331323121113   >>      D121213233313223313132322231323132313331323132233131323331323121112   >>