- setup:
  cleanup:
  args:     1 2 2 3
  input:
  output:   1
- setup:
  cleanup:
  args:     1 3 2
  input:
  output:   0
- setup:
  cleanup:
  args:     6 5 5 4
  input:
  output:   1
- setup:
  cleanup:
  args:
  input:
  output:   1
- setup:
  cleanup:
  args:     1
  input:
  output:   1
- setup:
  cleanup:
  args:     1 1 1 1
  input:
  output:   1