D231123132333132233131323223313232233131122112323132313231323123232311   >>    D23112313233313223313132322331323223313112211232313231323132312323231   <<    D231123132333132233131323223313232233131122112323132313231323123232313   >>      D231123132333132233131323223313232233131122112323132313231323123232312   >>