C++ :

#include<bits/stdc++.h>
using namespace std;
int main()
{
	cout<<"   1"<<endl;
	cout<<"  121"<<endl;
	cout<<" 12321"<<endl;
	cout<<"1234321"<<endl; 
	return 0;
}

Pascal :

begin
    writeln('   1');
    writeln('  121');
    writeln(' 12321');
    writeln('1234321');
end.