#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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