/// <summary>
/// Supplies a bates number that appears before the given value.
/// </summary>
/// <param name="batesNumber">The initial bates value.</param>
/// <returns>A bates number that has been decreased from the given value.</returns>
public static String PreviousNumber(String batesNumber)
{
BatesNumber bates = new BatesNumber(batesNumber);
bates.DecreaseNumber();
return(bates.ToString());
}
/// <summary>
/// Supplies a bates number that appears after the given value.
/// </summary>
/// <param name="batesNumber">The initial bates value.</param>
/// <returns>A bates number that has been increased from the given value.</returns>
public static String NextNumber(String batesNumber)
{
BatesNumber bates = new BatesNumber(batesNumber);
bates.IterateNumber();
return(bates.ToString());
}