You are testing a user story with three acceptance criteria: AC1, AC2 and AC3. AC1 is covered by test case TC1, AC2 by TC2, and AC3 by TC3. The test execution history had three test runs on three consecutive versions of the software as follows: Execution 1 Execution 2 Execution 3 TC1 (1) Failed (4) Passed (7) Passed TC2 (2) Passed (5) Failed (8) Passed TC3 (3) Failed (6) Failed (9) Passed Tests are repeated once you are informed that all defects found in the test run are corrected and a new version of the software is available. Which of the above tests are executed as regression tests?