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