1. Sample run
2. Test amp on only the first character
3. Test amp on the full string
4. Test amp on all characters between first and last
5. Test del on the first character
6. Test del on all characters between first and last
7. Test inv on all characters between 2nd and last
8. Test 1000 items after multiple amplifications
9. Test 1000 items at initial and 1 item after.
10. Test Multiple commands