Zirconium Xenon Uranium Zinc
Uranium Tin Yttrium Ytterbium
Xenon Uranium Zinc Zirconium
Terbium Thulium Tellerium Technetium
86 106 116 76
Uranium Xenon Tungsten Zinc
Vanadium Lead Gold Potassium
Silver Tin Yttrium Ytterbium
74 94 114 54
Yttrium Zirconium Xenon Zinc