---
ch-1:
  - function: consecutiveodds
    arguments:
      - 1
      - 5
      - 3
      - 6
    result: true
  - function: consecutiveodds
    arguments:
      - 2
      - 6
      - 3
      - 5
    result: false
  - function: consecutiveodds
    arguments:
      - 1
      - 2
      - 3
      - 4
    result: false
  - function: consecutiveodds
    arguments:
      - 2
      - 3
      - 5
      - 7
    result: true
ch-2:
  - function: widestvalley
    arguments:
      - 1
      - 5
      - 5
      - 2
      - 8
    result:
      - 5
      - 5
      - 2
      - 8
  - function: widestvalley
    arguments:
      - 2
      - 6
      - 8
      - 5
    result:
      - 2
      - 6
      - 8
  - function: widestvalley
    arguments:
      - 9
      - 8
      - 13
      - 13
      - 2
      - 2
      - 15
      - 17
    result:
      - 13
      - 13
      - 2
      - 2
      - 15
      - 17
  - function: widestvalley
    arguments:
      - 2
      - 1
      - 2
      - 1
      - 3
    result:
      - 2
      - 1
      - 2
  - function: widestvalley
    arguments:
      - 1
      - 3
      - 3
      - 2
      - 1
      - 2
      - 3
      - 3
      - 2
    result:
      - 3
      - 3
      - 2
      - 1
      - 2
      - 3
      - 3