- setup:
  cleanup:
  args:     1
  input:
  output:   |
            |1
- setup:
  cleanup:
  args:     1 2
  input:
  output:   |
            |1 2
- setup:
  cleanup:
  args:     1 2 3
  input:
  output:   |
            |1 2 3
- setup:
  cleanup:
  args:     1 2 3 4
  input:
  output:   |
            |4 3
            |1 2
- setup:
  cleanup:
  args:     1 2 3 4 5
  input:
  output:   |
            |1 2 3 4 5
- setup:
  cleanup:
  args:     1 2 3 4 5 6
  input:
  output:   |
            |6 5 4
            |1 2 3
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7
  input:
  output:   |
            |1 2 3 4 5 6 7
- setup:
  cleanup:
  args:     1 2 3 4 5 6
  input:
  output:   |
            |6 5 4
            |1 2 3
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9
  input:
  output:   |
            |7 6 5
            |8 9 4
            |1 2 3
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10
  input:
  output:   |
            |10  9  8  7  6
            | 1  2  3  4  5
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10 11
  input:
  output:   |
            | 1  2  3  4  5  6  7  8  9 10 11
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10 11 12
  input:
  output:   |
            | 9  8  7  6
            |10 11 12  5
            | 1  2  3  4
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10 11 12 13
  input:
  output:   |
            | 1  2  3  4  5  6  7  8  9 10 11 12 13
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10 11 12 13 14
  input:
  output:   |
            |14 13 12 11 10  9  8
            | 1  2  3  4  5  6  7
- setup:
  cleanup:
  args:     1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
  input:
  output:   |
            |11 10  9  8  7
            |12 13 14 15  6
            | 1  2  3  4  5