Please solve the programming task below using a self-contained code snippet in a markdown code block.

Given an integer n, return the nth digit of the infinite integer sequence [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...].
 
Please complete the following python code precisely:
```python
class Solution:
    def findNthDigit(self, n: int) -> int:
```