symbols(cyclic)
  1. one
  2. two
  3. three
  4. four
symbols(alphabetic)
  1. one
  2. two
  3. three
  4. four
@counter-style additive
  1. one
  2. two
  3. three
  4. four
  5. five
  6. six
numeric + pad
  1. one
  2. two
  3. three
cyclic symbols
  1. one
  2. two
  3. three
extends lower-roman
  1. one
  2. two
  3. three
  4. four