Update samples/3D/levelsofcubes/levelsofcubes.ring by Ilir Liburn
Update samples/3D/levelsofcubes/levelsofcubes.ring by Ilir Liburn

ring-lang/ring,ring-lang/ring,ring-lang/ring,ring-lang/ring,ring-lang/ring,ring-lang/ring,ring-lang/ring,ring-lang/ring