Test against special cases/fix bugs

Find details in image:

<img width="441" alt="Image" src="https://github.com/user-attachments/assets/cccf2c8c-8f4a-4808-9619-b926b253a35b" />

File attached below:

[pike.csv](https://github.com/user-attachments/files/19578757/pike.csv)

Feedback from @osaroadade 