D1212132333132233131323222313231323133313231322331323132112323111   >>    D121213233313223313132322231323132313331323132233132313211232311   <<    D1212132333132233131323222313231323133313231322331323132112323113   >>      D1212132333132233131323222313231323133313231322331323132112323112   >>