Case 1: The alley is 8.000 feet across.
Case 2: Barry mismeasured.
Case 3: Barry mismeasured.
Case 4: Barry mismeasured.
Case 5: The alley is 0.163 feet across.
Case 6: The alley is 9.325 feet across.
Case 7: The alley is 2.563 feet across.
Case 8: The alley is 3.170 feet across.
Case 9: Barry mismeasured.