private Combination<Colors> generateAttemptCombination2() {
    List<Token<Colors>> attemptTokens = new ArrayList<Token<Colors>>();
    attemptTokens.add(new Token<Colors>(Colors.O));
    attemptTokens.add(new Token<Colors>(Colors.R));
    attemptTokens.add(new Token<Colors>(Colors.Y));
    attemptTokens.add(new Token<Colors>(Colors.G));
    attemptTokens.add(new Token<Colors>(Colors.B));  
    
    return new Combination<Colors>(attemptTokens);
  }