1. It is not uncommon to find multiple versions of the same show.

2. Attackers coming back for a second time to the same target is not an uncommon phenomenon.

3. Such attacks are not uncommon in Damascus the same square was struck just six weeks ago.

4. It is not uncommon in IT for individual components to change.

5. An IT department of one is not that uncommon, he said.

6. These holes are not uncommon, but their frequency changes with the solar activity cycle.

7. The leak of malware source code is not an uncommon occurrence.

8. His story is not uncommon for young investors.

9. It's not uncommon for top Justice Department officials to reject recommendations for prosecution.