public void HandleFinish(string s)
        {
            switch (s)
            {
            case "you quit":
                //todo display
                break;

            case "you win":
                //todo display
                break;

            default:
                break;
            }
            NotifFinish?.Invoke();
        }
        private void HandleBack()
        {
            //todo display "you quit"

            NotifFinish?.Invoke();
        }