D1212132333132233131323222313231323133313231322331313233313231323133311   >>    D121213233313223313132322231323132313331323132233131323331323132313331   <<    D1212132333132233131323222313231323133313231322331313233313231323133313   >>      D1212132333132233131323222313231323133313231322331313233313231323133312   >>