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#include<stdio.h>
const int A=10;
void main()
{
 int group[A];
 for(int i=0;i<A;i++)
 {
  group[i]=i+1;
 }
 int k=A;
    int m=0;
    int n=2;
 int c=0;
 int x;
 do
 {  
  if(n==0)
   {     
    for(int j=1;j<k-1;j++)
     {   
      group[j]=group[j+1];    
     }
    for(int s=k-1;s<A;s++)
      group[s]=0;
    c=0;
    k--;
    m=1;
    n=2;
    
   }
   else if(n==1)
   {
    for(int j=0;j<k-1;j++)
     {   
      group[j]=group[j+1];    
     }
    for(int s=k-1;s<A;s++)
     group[s]=0;
    c=1;
    k--;
    m=0;
    n=2;
    
   }
     else if(n==2)
   {
    for(int i=0;i<3;i++,m++)
    {
     
      if(group[m+1]==0)
      {
       m=0;
       if(i==2)
       { 
        n=i;
        group[m]=0;
        c=2;
       &nbs


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