The winning Connecticut Play3 numbers for March 21, 2006 were: day 9-1-1; night 3-2-8.
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).
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 21, 2006 | Night | 3-2-8 | 13 | 4 |
| Mar 21, 2006 | Day | 9-1-1 | 11 | 2 |
| Mar 20, 2006 | Night | 4-1-8 | 13 | 4 |
| Mar 20, 2006 | Day | 2-8-9 | 19 | 1 |
| Mar 19, 2006 | Night | 3-1-7 | 11 | 2 |
| Mar 18, 2006 | Night | 4-8-5 | 17 | 8 |
| Mar 17, 2006 | Night | 8-9-9 | 26 | 8 |
| Mar 17, 2006 | Day | 7-9-1 | 17 | 8 |
| Mar 16, 2006 | Night | 9-3-0 | 12 | 3 |
| Mar 16, 2006 | Day | 9-7-4 | 20 | 2 |
| Mar 15, 2006 | Night | 2-8-2 | 12 | 3 |
| Mar 15, 2006 | Day | 9-8-9 | 26 | 8 |