The sum should be prime.

Above shows a football field. Which starts from 2 and ends at 29.

A footballer lost his football. He need to reach the end to get his football.

Each time the footballer pass a number, you have to add it to your current sum. For example, if the footballer travels 2,3 and 7. The sum will be $2+3+7 =12$

The footballer have to reach the end with a sum, that is a prime number. How many prime numbers (As the sum) can he obtain?

Details and assumptions:

• The footballer is not allowed to pass any number more than once.

• The footballer is only allowed to walk through the black lines.