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