The winning Washington DC DC-3 numbers for June 11, 1991 were: single 4-7-7.
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 |
|---|---|---|---|---|
| Jun 11, 1991 | Single | 4-7-7 | 18 | 9 |
| Jun 8, 1991 | Single | 5-3-0 | 8 | 8 |
| Jun 7, 1991 | Single | 4-0-3 | 7 | 7 |
| Jun 6, 1991 | Single | 3-0-9 | 12 | 3 |
| Jun 5, 1991 | Single | 9-8-1 | 18 | 9 |