D231123132333132233131323223313233313231323121111331323131231111   >>    D23112313233313223313132322331323331323132312111133132313123111   <<    D231123132333132233131323223313233313231323121111331323131231113   >>      D231123132333132233131323223313233313231323121111331323131231112   >>