- setup:
  cleanup:
  args:     3 3 3
  input:
  output:   0
- setup:
  cleanup:
  args:     1 0 5
  input:
  output:   4
- setup:
  cleanup:
  args:     0 2 0
  input:
  output:   -1
- setup:
  cleanup:
  args:     0 3 0
  input:
  output:   2