def ssn
      first_group  = fetch_sample([*1..665, *667..899])
      second_group = rand(1..99)
      third_group  = rand(1..9999)

      group_numbers = [first_group, second_group, third_group]
      result = format('%.3d-%.2d-%.4d', *group_numbers)

      result
    end
def ssn
      first_group  = fetch_sample([*1..665, *667..899])
      second_group = rand(1..99)
      third_group  = rand(1..9999)

      group_numbers = [first_group, second_group, third_group]
      result = format('%.3d-%.2d-%.4d', *group_numbers)

      result
    end
The Social Security number is a nine-digit number in the format
 "AAA-GG-SSSS". More info here:

 http://en.wikipedia.org/wiki/Social_Security_number