text: public override String ToString(){StringBuilder sb = new StringBuilder();sb.Append(GetType().Name).Append(" [CRN");sb.Append(" rowIx=").Append(field_3_row_index);sb.Append(" firstColIx=").Append(field_2_first_column_index);sb.Append(" lastColIx=").Append(field_1_last_column_index);sb.Append("]");return sb.ToString();}