The winning Washington DC DC-4 numbers for March 23, 1989 were: single 1-1-1-6.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Mar 23, 1989 | Single | 1-1-1-6 | 9 | 9 |
| Mar 21, 1989 | Single | 2-5-2-5 | 14 | 5 |
| Mar 18, 1989 | Single | 5-0-0-1 | 6 | 6 |