D1212132333132233131323222313231323133313231322331323131323133311331   >>    D121213233313223313132322231323132313331323132233132313132313331133   <<    D1212132333132233131323222313231323133313231322331323131323133311333   >>      D1212132333132233131323222313231323133313231322331323131323133311332   >>