Basic Examples 
(2)
 

In the following two lists, no element appears in its original place:
In[466]:=
[◼]
Derangements
@3
Out[466]=
{{2,3,1},{3,1,2}}
———
Here is the next case, condensed:
In[469]:=
Row/@
[◼]
Derangements
@4
Out[469]=
{2143,2341,2413,3142,3412,3421,4123,4312,4321}

Scope 
(2)
 
