------
## 最终结论
```python
def max_length_list(lists):
    max_list = max(lists, key=lambda x: len(x))
    return (len(max_list), max_list)

# Test cases
assert max_length_list([[0], [1, 3], [5, 7], [9, 11], [13, 15, 17]]) == (3, [13, 15, 17])
assert max_length_list([[1,2,3,4,5],[1,2,3,4],[1,2,3],[1,2],[1]]) == (5,[1,2,3,4,5])
assert max_length_list([[3,4,5],[6,7,8,9],[10,11,12]]) == (4,[6,7,8,9])
```