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