private List <FuriganaPart> CutFurigana(string furigana)
        {
            List <FuriganaPart> output = new List <FuriganaPart>();

            string[] parts = furigana.Split(';');
            foreach (string part in parts)
            {
                FuriganaPart f = new FuriganaPart();

                string[] bodySplit = part.Split(':');
                f.Value = bodySplit[1];

                string[] indexSplit = bodySplit[0].Split('-');
                f.StartIndex = ParsingHelper.ForceInt(indexSplit[0]);
                if (indexSplit.Count() == 1)
                {
                    f.EndIndex = f.StartIndex;
                }
                else
                {
                    f.EndIndex = ParsingHelper.ForceInt(indexSplit[1]);
                }

                output.Add(f);
            }

            return(output);
        }