A
B
C
D
(2, -1) and (1, −2),
(2, 1) and (1, −2),
(2, 1) and (1, 2),
(-2, 1) and (-1, −2),
(5, 1), (−5, 1), (0,0), and (−5, −1).
(5, 0), (−5, 1), (5, −1), and (−5, −1).
(5, 1), (−5, 1), (5, −1), and (−5, 0).
(5, 1), (−5, 1), (5, −1), and (−5, −1).
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