D1212132333132233131323222313231323132313331322331311331323132311111   >>    D121213233313223313132322231323132313231333132233131133132313231111   <<    D1212132333132233131323222313231323132313331322331311331323132311113   >>      D1212132333132233131323222313231323132313331322331311331323132311112   >>