D231123132333132233131323223313231323132322113313233313231333132312111   >>    D23112313233313223313132322331323132313232211331323331323133313231211   <<    D231123132333132233131323223313231323132322113313233313231333132312113   >>      D231123132333132233131323223313231323132322113313233313231333132312112   >>