The winning Washington DC DC-3 numbers for March 12, 1990 were: single 5-5-9.
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 12, 1990 | Single | 5-5-9 | 19 | 1 |
| Mar 10, 1990 | Single | 0-5-6 | 11 | 2 |
| Mar 9, 1990 | Single | 9-1-2 | 12 | 3 |
| Mar 8, 1990 | Single | 6-1-5 | 12 | 3 |
| Mar 7, 1990 | Single | 7-3-0 | 10 | 1 |
| Mar 6, 1990 | Single | 8-8-0 | 16 | 7 |