The Rings of Power

Three Rings for the Elven-kings under the sky, Seven for the Dwarf-lords in their halls of stone, Nine for Mortal Men doomed to die, One for the Dark Lord on his dark throne In the Land of Mordor where the Shadows lie...

Normal sudoku rules apply.

A digit in a ring indicates how many rings contain that digit.

Digits in a cage must sum to the total shown.