as know Universe traditionally use threedimensional cartesian system coordinate in system point correspond real coordinate xyz in coordinate system distance center Universe point calculate follow formula Mushroom scientist work Great Mushroom King think Universe is not exactly right distance center Universe point equal xaybzcTo test metric mushroom scientist usual scientist offer task find xyz 0xyzxyzs distance center Universe point xyz maximum possible metric mushroom scientist the mushroom scientist are not good math commission tasknote problem consider 001