Clarify the koan that shows that MapSets are unordered.

lib/koans/10_map_sets.ex

@@ -15,8 +15,11 @@ defmodule MapSets do
     assert MapSet.size(new_set) == ___
   end
 
-  koan "Even though I am like a list I am unordered after 32 elements" do
-    assert 1..33 |> MapSet.new() |> Enum.fetch(0) == {___, 11}
+  koan "Even though I am like a list I am unordered, especially with 33+ elements" do
+    new_set = MapSet.new 1..33
+    ordered_list = Enum.to_list 1..33
+    assert (ordered_list == MapSet.to_list(new_set)) == __
+    assert (ordered_list == MapSet.to_list(new_set) |> Enum.sort()) == __
   end
 
   koan "Does this value exist in the map set?" do