/******************************************************************************
Online Java Compiler.
Code, Compile, Run and Debug java program online.
Write your code in this editor and press "Run" button to execute it.
*******************************************************************************/
public class Main
{
public static void main
(String[] args
) { int n=7;
if(n< 0 || n%2==0){
System.
out.
println("Wrong No"); return;
}else{
for (int i=0; i<n+2; i++){
for(int j=0; j<2*n+2; j++){
if(j==n-1){
}else if(i==n+2-1 && j<n ){
}else if(j>=n && j<2*n+2 && i==0){
}
else if(j>n-1 && j<2*n && i==n/2+1){
}
else{
}
}
}
}
}
}
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