Problem: when the lead plane, cut with one cylinder, then remove the sphere with a RADIUS equal to the radius of the cylinder.Insert the cylinder into the slack such spheres touching any point on the plane then.
Problem: When the plane cut with one cylinder and then a sphere with a radius equal to the radius of the cylinder is then lowered into the cylinder above. Sphere is exposed to any point on that plane.
The problem: when the cutting plane and the cylinder one sphere with radius equal to the radius of the cylindrical one.Put a drop down in the cylinder The sphere is exposed to any point on the plane.