#include <stdio.h>
int main(void) {
int n;
if(n>=3 && n%2!=0){
//upper part
for(int i=1;i<=n;i++){
for(int j=1;j<=n+2;j++){
if(i==n/2+1&&j==n+2){
for(int k=1;k<=n+2;k++){
}
}
}
}///-up
//lowerpart
for(int i=1;i<=n+2;i++){
for(int j=1;j<=n+2;j++){
if(j==n/2+2){
}else{
}
}
}
}
else{
}
return 0;
}
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