Pr
Yb
Tb
Gd
Ce
Dy
Pm
Ho
Tm
Sm
Nd
Lu
La
Eu
Er
Erbium
Ytterbium
Promethium
Dysprosium
Europium
Praseodymium
Terbium
Lutetium
Cerium
Lanthanum
Neodymium
Holmium
Gadolinium
Thulium
Samarium
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