#include <stdio.h>
int main(void) {
// your code goes here
int n,i,j,k;
for(j=0;j<(2*n-3);j++)
for(j=0;j<n;j++)
for(i=1;i<=(n-2);i++){
for(j=1;j<=i;j++)
for(k=0;k<((n-2)*2+1-2*i);k++){
}
for(j=1;j<=i;j++)
for(j=0;j<(n-2);j++)
}
return 0;
}
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