The winning Connecticut Play3 numbers for March 21, 2007 were: day 1-8-0; night 5-2-7.
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).
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, 2007 | Night | 5-2-7 | 14 | 5 |
| Mar 21, 2007 | Day | 1-8-0 | 9 | 9 |
| Mar 20, 2007 | Night | 2-0-8 | 10 | 1 |
| Mar 20, 2007 | Day | 0-5-6 | 11 | 2 |
| Mar 19, 2007 | Night | 7-7-7 | 21 | 3 |
| Mar 19, 2007 | Day | 0-6-3 | 9 | 9 |
| Mar 18, 2007 | Night | 9-8-9 | 26 | 8 |
| Mar 17, 2007 | Night | 8-4-9 | 21 | 3 |
| Mar 16, 2007 | Night | 4-0-8 | 12 | 3 |
| Mar 16, 2007 | Day | 6-5-5 | 16 | 7 |
| Mar 15, 2007 | Night | 1-7-5 | 13 | 4 |
| Mar 15, 2007 | Day | 8-4-4 | 16 | 7 |