(x - 2) ^ 2 + (y - 1) ^ 2 = 3
(x - 2) ^ 2 + (y - 1) ^ 2 = 12
(x + 2) ^ 2 + (y - 1) ^ 2 = 3
(x + 2) ^ 2 + (y - 1) ^ 2 = 12
