D231123132333132233131323223313231323133313132233132323132311321   >>    D23112313233313223313132322331323132313331313223313232313231132   <<    D231123132333132233131323223313231323133313132233132323132311323   >>      D231123132333132233131323223313231323133313132233132323132311322   >>