---
ch-1:
  - function: smallerthancurrent
    arguments:
      - 5
      - 2
      - 1
      - 6
    result:
      - 2
      - 1
      - 0
      - 3
  - arguments:
      - 1
      - 2
      - 0
      - 3
    result:
      - 1
      - 2
      - 0
      - 3
  - arguments:
      - 0
      - 1
    result:
      - 0
      - 1
  - arguments:
      - 9
      - 4
      - 9
      - 2
    result:
      - 2
      - 1
      - 2
      - 0
ch-2:
  - function: reducedrowechelon
    arguments:
      - - 1
        - 1
        - 0
      - - 0
        - 1
        - 0
      - - 0
        - 0
        - 0
    result: false
  - arguments:
      - - 0
        - 1
        - -2
        - 0
        - 1
      - - 0
        - 0
        - 0
        - 1
        - 3
      - - 0
        - 0
        - 0
        - 0
        - 0
      - - 0
        - 0
        - 0
        - 0
        - 0
    result: true
  - arguments:
      - - 1
        - 0
        - 0
        - 4
      - - 0
        - 1
        - 0
        - 7
      - - 0
        - 0
        - 1
        - -1
    result: true
  - arguments:
      - - 0
        - 1
        - -2
        - 0
        - 1
      - - 0
        - 0
        - 0
        - 0
        - 0
      - - 0
        - 0
        - 0
        - 1
        - 3
      - - 0
        - 0
        - 0
        - 0
        - 0
    result: false
  - arguments:
      - - 0
        - 1
        - 0
      - - 0
        - 1
        - 0
      - - 0
        - 0
        - 0
    result: false
  - arguments:
      - - 4
        - 0
        - 0
        - 0
      - - 0
        - 1
        - 0
        - 7
      - - 0
        - 0
        - 1
        - -1
    result: false
  - arguments:
      - - 1
        - 0
        - 0
        - 4
      - - 1
        - 0
        - 0
        - 7
      - - 0
        - 0
        - 1
        - -1
    result: false
  - arguments:
      - - 1
        - -2
        - 0
        - 4
      - - 0
        - 1
        - 0
        - 7
      - - 0
        - 0
        - 1
        - -1
    result: false