(a + 3)^2, (x - 4)^2, (n + 6)^2, (d + 1)^2, (10 + c)^2, (5 - u)^2, (6 + n)^2, (7 - t)^2, (11 + k)^2, (p + 8)^2, (b - 9)^2, (2 - m)^2
(a + 3)^2, (x - 4)^2, (n + 6)^2, (d + 1)^2, (10 + c)^2, (5 - u)^2, (6 + n)^2, (7 - t)^2, (11 + k)^2, (p + 8)^2, (b - 9)^2, (2 - m)^2