The winning Washington DC DC-3 numbers for May 21, 1990 were: single 0-4-8.
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 |
|---|---|---|---|---|
| May 21, 1990 | Single | 0-4-8 | 12 | 3 |
| May 19, 1990 | Single | 4-4-4 | 12 | 3 |
| May 18, 1990 | Single | 2-3-5 | 10 | 1 |
| May 17, 1990 | Single | 8-9-9 | 26 | 8 |
| May 16, 1990 | Single | 5-0-7 | 12 | 3 |