8. param 1 people participated in a survey. They were given a list of $N$ movies. Each person was asked to name their favorite movies from this list. It turned out that everyone named at least two movies. Moreover, any pair of respondents had no more than one movie in common among those they named. Find the smallest possible value of $N$.

| param1 |  |
| :---: | :---: |
| 30 |  |
| 39 |  |
| 49 |  |
| 57 |  |
| 60 |  |
8. param 1 people participated in a survey. They were given a list of $N$ movies. Each person was asked to name their favorite movies from this list. It turned out that everyone named at least two movies. Moreover, any pair of respondents had no more than one movie in common among the ones they named. Find the smallest possible value of $N$.

| param1 | Answer |
| :---: | :---: |
| 30 | 9 |
| 39 | 10 |
| 49 | 11 |
| 57 | 12 |
| 60 | 12 |