class IntermediateStrategyInfo: public StrategyInfo {
public:
  Move getMove(GameState state);
private:
  Move removePile(int pile, GameState state);
  Move evenPiles(GameState state);
  bool allNonEmpty(GameState state);
  bool oneNonEmpty(GameState state);
  bool allDifferent(GameState state);
  int theDifferentPile(GameState state);
};