The winning Connecticut Play4 numbers for March 16, 2011 were: day 5-4-7-1; night 0-0-6-0.
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 16, 2011 | Night | 0-0-6-0 | 6 | 6 |
| Mar 16, 2011 | Day | 5-4-7-1 | 17 | 8 |
| Mar 15, 2011 | Night | 2-2-0-4 | 8 | 8 |
| Mar 15, 2011 | Day | 2-7-6-9 | 24 | 6 |
| Mar 14, 2011 | Night | 7-1-6-9 | 23 | 5 |
| Mar 14, 2011 | Day | 7-7-4-0 | 18 | 9 |
| Mar 13, 2011 | Night | 2-2-4-5 | 13 | 4 |
| Mar 13, 2011 | Day | 3-0-2-6 | 11 | 2 |
| Mar 12, 2011 | Night | 1-4-1-7 | 13 | 4 |
| Mar 12, 2011 | Day | 5-8-3-5 | 21 | 3 |
| Mar 11, 2011 | Night | 4-7-3-8 | 22 | 4 |
| Mar 11, 2011 | Day | 1-7-7-1 | 16 | 7 |
| Mar 10, 2011 | Night | 6-7-7-1 | 21 | 3 |
| Mar 10, 2011 | Day | 1-5-5-3 | 14 | 5 |