---
ch-1:
  - function: specialquads
    arguments:
      - 1
      - 2
      - 3
      - 6
    result: 1
  - function: specialquads
    arguments:
      - 1
      - 1
      - 1
      - 3
      - 5
    result: 4
  - function: specialquads
    arguments:
      - 3
      - 3
      - 6
      - 4
      - 5
    result: 0