D231123132333132233131323223313231323133313132233132313231231321   >>    D23112313233313223313132322331323132313331313223313231323123132   <<    D231123132333132233131323223313231323133313132233132313231231323   >>      D231123132333132233131323223313231323133313132233132313231231322   >>