The numbering of episodes suggests a significant collection. Episode 103 appearing in pack 1 indicates the producer had released at least 103 episodes by the time this collection was assembled. The "pack" format suggests this is a compilation rather than a standard scene release, possibly created by a third party for easier distribution.
Ensuring all files in the set are in a consistent format (like MP4 or MKV) so they work across different devices. Understanding the Naming Convention czechamateurs pack 1 e 99 e 103 repack