The winning Connecticut Play3 numbers for May 21, 2006 were: night 4-6-4.
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 |
|---|---|---|---|---|
| May 21, 2006 | Night | 4-6-4 | 14 | 5 |
| May 20, 2006 | Night | 0-0-8 | 8 | 8 |
| May 19, 2006 | Night | 9-9-1 | 19 | 1 |
| May 19, 2006 | Day | 0-4-9 | 13 | 4 |
| May 18, 2006 | Night | 0-6-8 | 14 | 5 |
| May 18, 2006 | Day | 5-2-9 | 16 | 7 |
| May 17, 2006 | Night | 2-0-5 | 7 | 7 |
| May 17, 2006 | Day | 4-2-1 | 7 | 7 |
| May 16, 2006 | Night | 8-8-7 | 23 | 5 |
| May 16, 2006 | Day | 9-6-7 | 22 | 4 |
| May 15, 2006 | Night | 9-8-7 | 24 | 6 |
| May 15, 2006 | Day | 7-9-6 | 22 | 4 |