Eternity II is a geometric puzzle created by Christopher Monckton, released in 2007 as a follow-up to the original Eternity puzzle from 1999. The puzzle consists of 256 square pieces, each with different shapes and designs. The objective is to fit all the pieces together to create a symmetrical 16x16 square. What sets Eternity II apart from other puzzles is its complexity and the difficulty level involved in solving it.
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