Per Kristen Fredlund
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Per Kristen Fredlund is a Norwegian cuber specializing in Fewest Moves. He is one of the early fewest moves pioneers, inventor of Insertions and the Per Special commutator is named after him. Fredlund hosted the Fewest Moves Challenge online contest until 2014 and is also known for being the proposer of the Cage Method, which is considered to be the fastest methods for Huge Cubes by some solvers.