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