fix ordering in closure conversion example

book.tex

@@ -15815,7 +15815,7 @@ def lambda_0(fvs_1:tuple[bot,int,tuple[int]],z:int) -> int:
 def f(fvs_2:bot, x:int) -> tuple[Callable[[tuple[],int], int]]
   y = (777,)
   y[0] = 4
-  return (lambda_0, y, x)
+  return (lambda_0, x, y)
 
 def main() -> int:
   g = (let clos_3 = (f,) in clos_3[0](clos_3, 5))