In the summer of 1901, a mysterious contraction was discovered deep underwater in a shipwreck off Point Glyphadia, on the Greek island of Antikythera. Since its discovery, the "Antikythera mechanism" has often been referred to as the worlds first known analog computer. Using technology lost to ancient times until the 14th century, this veneer mechanism was supposedly used to predict astronomical positions and eclipses, as well as the 4-year cycle of the Olympics. Inspired by the incomparable true genius of ancient Greek astronomers, this puzzle challenges you to turn the dials until all 12 columns add up to 42. Puzzle difficulty: 5/5