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z^2 = (x-39.18)^2+(y-(-76.67))^2,z^2 = (x-41.90)^2+(y-(-87.65))^2,z^2 = (x-42.42)^2+(y-(-83.02))^2
z^2 = (x-39.18)^2+(y-(-76.67))^2,z^2 = (x-41.90)^2+(y-(-87.65))^2,z^2 = (x-42.42)^2+(y-(-83.02))^2
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