The winning Connecticut Play4 numbers for March 21, 2013 were: day 3-4-8-1; night 8-2-2-9.
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 21, 2013 | Night | 8-2-2-9 | 21 | 3 |
| Mar 21, 2013 | Day | 3-4-8-1 | 16 | 7 |
| Mar 20, 2013 | Night | 8-8-2-8 | 26 | 8 |
| Mar 20, 2013 | Day | 3-7-6-1 | 17 | 8 |
| Mar 19, 2013 | Night | 9-0-1-5 | 15 | 6 |
| Mar 19, 2013 | Day | 3-0-8-3 | 14 | 5 |
| Mar 18, 2013 | Night | 2-6-8-7 | 23 | 5 |
| Mar 18, 2013 | Day | 7-8-1-8 | 24 | 6 |
| Mar 17, 2013 | Night | 4-9-9-9 | 31 | 4 |
| Mar 17, 2013 | Day | 4-9-9-8 | 30 | 3 |
| Mar 16, 2013 | Night | 5-9-9-1 | 24 | 6 |
| Mar 16, 2013 | Day | 9-4-4-1 | 18 | 9 |
| Mar 15, 2013 | Night | 3-7-0-0 | 10 | 1 |
| Mar 15, 2013 | Day | 3-2-6-3 | 14 | 5 |