private bool PlayRound() { var secret = BagelNumber.CreateSecretNumber(Length); Console.WriteLine("O.K. I have a number in mind."); for (int guessNo = 1; guessNo <= MaxGuesses; ++guessNo) { string strGuess; BagelValidation isValid; do { Console.WriteLine($"Guess #{guessNo}"); strGuess = Console.ReadLine(); isValid = BagelNumber.IsValid(strGuess, Length); PrintError(isValid); } while (isValid != BagelValidation.Valid); var guess = new BagelNumber(strGuess); var fermi = 0; var pico = 0; (pico, fermi) = secret.CompareTo(guess); if (pico + fermi == 0) { Console.Write("BAGELS!"); } else if (fermi == Length) { Console.WriteLine("You got it!"); return(true); } else { PrintList("Pico ", pico); PrintList("Fermi ", fermi); } Console.WriteLine(); } Console.WriteLine("Oh, well."); Console.WriteLine($"That's {MaxGuesses} guesses. My Number was {secret}"); return(false); }