equal0
Nil
number42
Nil
equal0
Cons
x
xs
equal0
Cons
x
xs
number42
x
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Cons
Nil
Nil
goal
x
equal0
x
equal0
1
Nil
0
number42
1
Cons
2
goal
1
INNERMOST