text: #ifndef GAME_H
  #define GAME_H
  
  #include "field.h"
  
  class Game {
  public:
      Game(std::size_t width,
          std::size_t height,
          const Field& initial,
          std::size_t xoffset,
          std::size_t yoffset);
  
      bool is_empty() const;
  
      void tick();
      void print();
  
  private:
      Field field;
  };
  
  #endif
  