/// <summary>
    /// Merges values in existing tables according to plan
    /// </summary>
    /// <param name="parent1">name of first table`s seed</param>
    /// <param name="parent2">name of second table`s seed</param>
    /// <returns>List of rows for new table</returns>
    private static List <string> MergeExistingTables(string parent1, string parent2)
    {
        List <string> newRows = new List <string>();

        newRows.Add("Уровень,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20");
        var table1 = CSVReader.GetRawData(parent1);
        var table2 = CSVReader.GetRawData(parent2);

        foreach (var key in table1.Keys)
        {
            var newRow = new StringBuilder();
            switch (key)
            {
            case var str when str.Contains("Габитус"):
                newRow.Append(key);

                for (int i = 0; i < 20; i++)
                {
                    newRow.Append(",");
                    newRow.Append((table1[key][i] + table2[key][i]).ToString());
                }
                newRows.Add(newRow.ToString());
                break;

            case var str when str.Contains("Вкус"):
                newRow.Append(key);

                for (int i = 0; i < 20; i++)
                {
                    newRow.Append(",");
                    newRow.Append((table1[key][i] + table2[key][i]).ToString());
                }
                newRows.Add(newRow.ToString());
                break;

            case var str when(str.Contains("Кол") && !str.Contains("min")):
                newRow.Append(key);

                for (int i = 0; i < 20; i++)
                {
                    newRow.Append(",");
                    newRow.Append(((table1[key + "min"][i] + table2[key + "min"][i]) / 2).ToString());
                    newRow.Append("-");
                    newRow.Append(((table1[key][i] + table2[key][i]) / 2).ToString());
                }
                newRows.Add(newRow.ToString());
                break;

            case var str when str.Contains("Мутац"):
                newRow.Append(key);

                for (int i = 0; i < 20; i++)
                {
                    newRow.Append(",");
                    int chanse = table1[key][i] + table2[key][i];
                    switch (chanse)
                    {
                    case 0:
                        newRow.Append("Низкий");
                        break;

                    case 1:
                        newRow.Append("Средний");
                        break;

                    case 2:
                        newRow.Append("Высокий");
                        break;

                    default:
                        newRow.Append("Очень высокий");
                        break;
                    }
                }
                newRows.Add(newRow.ToString());
                break;

            case "Время":
                newRow.Append(key);
                for (int i = 0; i < 20; i++)
                {
                    newRow.Append(",");
                    newRow.Append(TimeFormatter.FormatToTableView(table1[key][i] + table2[key][i]));
                }
                newRows.Add(newRow.ToString());
                break;
            }
        }
        return(newRows);
    }