The winning Delaware Play 3 numbers for March 12, 1999 were: day 2-6-6; night 8-6-9.
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).
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, 1999 | Night | 8-6-9 | 23 | 5 |
| Mar 12, 1999 | Day | 2-6-6 | 14 | 5 |
| Mar 11, 1999 | Night | 8-1-2 | 11 | 2 |
| Mar 11, 1999 | Day | 2-2-7 | 11 | 2 |
| Mar 10, 1999 | Night | 4-6-1 | 11 | 2 |
| Mar 10, 1999 | Day | 0-1-4 | 5 | 5 |
| Mar 9, 1999 | Night | 6-6-4 | 16 | 7 |
| Mar 9, 1999 | Day | 5-7-2 | 14 | 5 |
| Mar 8, 1999 | Night | 5-8-9 | 22 | 4 |
| Mar 8, 1999 | Day | 5-9-7 | 21 | 3 |
| Mar 7, 1999 | Night | 8-4-2 | 14 | 5 |
| Mar 6, 1999 | Night | 6-1-4 | 11 | 2 |
| Mar 6, 1999 | Day | 7-5-8 | 20 | 2 |