D1212132333132233131323222313231323132333132323223313231323123131   >>    D121213233313223313132322231323132313233313232322331323132312313   <<    D1212132333132233131323222313231323132333132323223313231323123133   >>      D1212132333132233131323222313231323132333132323223313231323123132   >>