1 #include <stdio.h>
 2 #define MAX 1000
 3 
 4 int n=3;  //the number of set element
 5 int set[MAX]={1,2,3};
 6 
 7 //move the set[0] to set[position]
 8 int rotate(int position)
 9 {
10     int temp=set[0]; 
11     int index;
12     for(index=1;index<=position;index++)
13         set[index-1]=set[index];
14     set[position]=temp;
15 }
16 
17 void set_print()
18 {
19     int index;
20     for(index=0;index<n;index++)
21         printf("%d ",set[index]);
22     printf("\n");
23 }
24 int main()
25 {
26     int position=n-1;
27     while(position!=0)  
28     {
29         position=n-1; 
30         rotate(position);
31         set_print();
32         while(set[position]==position+1 && position!=0)
33         {
34             position--; 
35             rotate(position);
36         }
37     }
38 }