L'ascenseur Magnifique

You are the operator of a novel elevator system during its first public demonstration. Bring each dazzled guest to their floor before the lose their patience. L'ascenseur Magnifique, as the inventeur Mr Monteau called it, was a dual elevator system that drive two cabins at once allowing, in theory, twice as many people to ride with only one operator.  Operator Controls - Key up and down to move …