D1212132333132233131323222313231323133313231322331323131323133313232331   >>    D121213233313223313132322231323132313331323132233132313132313331323233   <<    D1212132333132233131323222313231323133313231322331323131323133313232333   >>      D1212132333132233131323222313231323133313231322331323131323133313232332   >>