public override string ToString() => ParsingUtility.EncodeCandidates(CandidateScores.Select(a => a.Candidate));
public override string ToString() => CandidateScores
.GroupBy(a => a.Score)
.OrderByDescending(gp => gp.Key)
.Select(gp => gp.Key.ToString() + ":" + ParsingUtility.EncodeCandidates(gp.Select(a => a.Candidate).OrderBy(x => x)))
.Join(" ");