D1212132333132233131323222313231323133313231322331323223313232321   >>    D121213233313223313132322231323132313331323132233132322331323232   <<    D1212132333132233131323222313231323133313231322331323223313232323   >>      D1212132333132233131323222313231323133313231322331323223313232322   >>