---
ch-1:
  - function: killandwin
    arguments:
      - 2
      - 3
      - 1
    result: 6
  - function: killandwin
    arguments:
      - 1
      - 1
      - 2
      - 2
      - 2
      - 3
    result: 11
ch-2:
  - function: numbercollision
    arguments:
      - 2
      - 3
      - -1
    result:
      - 2
      - 3
  - function: numbercollision
    arguments:
      - 3
      - 2
      - -4
    result:
      - -4
  - function: numbercollision
    arguments:
      - 1
      - -1
    result: []