Oops, this is not a complete answer, despite passing the tests.
Spherical radius given four points
Sophie Germain prime
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Converting numbers back from extended form
Sum of series IV
TRON Tourney 000 : Clockwise Wall Hugger
Knots Contest: Score (TestSuite)
Convert Two Character String into a Binary Vector
GJam March 2016 IOW: Polynesiaglot Large
Rubik's Cube : Solve Ten Face Move - Speed Scoring
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