([x, y, z] - ([4, 6, 6] + 15·[2, 2, 1]/ABS([2, 2, 1])))^2 = 15^2
([x, y, z] - [14, 16, 11])^2 = 225
K1: (x - 14)^2 + (y - 16)^2 + (z - 11)^2 = 225
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([x, y, z] - ([4, 6, 6] - 15·[2, 2, 1]/ABS([2, 2, 1])))^2 = 15^2
([x, y, z] - [-6, -4, 1])^2 = 225
K2: (x + 6)^2 + (y + 4)^2 + (z - 1)^2 = 225