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a A' (1, 1), B' (3, 9), C' (9, 3)

b A' (-1, -1), B' (-1, -3), C' (-3, -3)

c A' (3, 3), B' (9, 3), C' (3, 9)

d A' (3, 3), B' (3, 9), C' (9, 3)