1:      1  1 CALL pred browse_pretty.main/2-0 (det) browse_pretty.m:18
mdb> echo on
Command echo enabled.
mdb> goto 3
       3:      2  2 EXIT pred browse_pretty.big_data/1-0 (det) browse_pretty.m:25 (browse_pretty.m:19)
mdb> print *
       Data (arg 1)           	big(big(big(small, [|]/2, small), [1, ...], small), [1, 2, 3], big(big/3, [|]/2, small))
mdb> browse 1
browser> format pretty
browser> depth 20
browser> ls
big(big(big(small, [1], small), [1, 2], small), [1, 2, 3], 
  big(big(small, [1, 2, 3, 4], big(small, [1, 2, 3, 4, 5], small)), 
    [1, 2, 3, 4, 5, 6], small))
browser> width 131
browser> ls
big(big(big(small, [1], small), [1, 2], small), [1, 2, 3], 
  big(big(small, [1, 2, 3, 4], big(small, [1, 2, 3, 4, 5], small)), [1, 2, 3, 4, 5, 6], small))
browser> width 30
browser> ls
big(
  big(big(small, [1], small), 
    [1, 2], small), 
  [1, 2, 3], 
  big(
    big(small, [1, 2, 3, 4], 
      big(small, 
        [1, 2, 3, 4, 5], 
        small)), 
    [1, 2, 3, 4, 5, 6], 
    small))
browser> width 10
browser> ls
big(
  big(
    big(
      small, 
      [1], 
      small), 
    [1, 
    2], 
    small), 
  [1, 2, 
  3], 
  big(
    big(
      small, 
      [1, 
      2, 
      3, 
      4], 
      big(
        small, 
        [1, 
        2, 
        3, 
        4, 
        5], 
        ...
browser> width 79
browser> depth 3
browser> ls
big(big(big(...), ...), [..., ...], ...)
browser> format raw_pretty
browser> lines 4
browser> width 40
browser> ls
big(
  big(big/3, [|]/2, small), 
  [|](1, [|](2, [|](3, []))), 
  big(big/3, [|]/2, small))
browser> width 80
browser> ls
big(
  big(big(small, [|](1, []), small), [|](1, [|](2, [])), small), 
  [|](1, [|](2, [|](3, []))), 
  big(big(small, [|]/2, big/3), [|](1, [|](2, [|](3, [|]/2))), small))
browser> lines 12
browser> width 40
browser> ls
big(
  big(
    big(small, [|](1, []), small), 
    [|](1, [|](2, [])), 
    small), 
  [|](1, [|](2, [|](3, []))), 
  big(
    big(small, [|]/2, big/3), 
    [|](1, [|](2, [|](3, [|]/2))), 
    small))
browser> cd 3
browser> lines 4
browser> width 30
browser> ls
big(
  big(small, [|]/2, big/3), 
  [|](1, [|](2, [|]/2)), 
  small)
browser> quit
mdb> print goal
big_data(big(big(big/3, [|]/2, small), [1, ...], big(big/3, [|]/2, small)))
mdb> browse goal
browser> ls
big_data(
  big(big/3, [|]/2, big/3))
browser> ^1
browser> ls
big(
  big(big/3, [|]/2, small), 
  [|](1, [|](2, [|]/2)), 
  big(big/3, [|]/2, small))
browser> ^..
browser> ls
big_data(
  big(big/3, [|]/2, big/3))
browser> ^1^2^2
browser> ls
[|](2, [|](3, []))
browser> quit
mdb> continue
big(big(big(small, [1], small), [1, 2], small), [1, 2, 3], big(big(small, [1, 2, 3, 4], big(small, [1, 2, 3, 4, 5], small)), [1, 2, 3, 4, 5, 6], small)).