aekae/*

~cpp 
#include <iostream>
using namespace std;

int main()
{
	int i;
	
	int a,b,c,d;
	
	for (i=1; i<11; i++)
	{
		for (a=1; a<1+i; a++)
			cout << "*";
		for (b=1; b<12-i; b++)
			cout << " ";
		for (c=1; c<12-i; c++)
			cout << "*";
		for (d=1; d<2*i; d++)
			cout << " ";
		for (c=1; c<12-i; c++)
			cout << "*";
		for (b=1; b<12-i; b++)
			cout << " ";
		for (a=1; a<1+i; a++)
			cout << "*";
		cout << endl;
	}

	return 0;
}