.FF

======================================================================

FAIL: test_2_empty_noset (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 22, in test_2_empty_noset

    self.assertEqual(hers, mine)

AssertionError: ['C2', 'C1', 'C0'] != []



======================================================================

FAIL: test_3_trivial (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 29, in test_3_trivial

    self.assertEqual(hers, mine)

AssertionError: ['Y', 'X', 'Z'] != ['X', 'Z']



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Ran 3 tests in 0.001s



FAILED (failures=2)