void drawingPatternsExtra() {

    int star1 = 1, space1 = 15, star2 = 10, space2 = 5;
    for (int i = 0; i < 10; i++)
    {
        for (int j = 0; j < star1; j++) {
            cout << "*";
        }
        for (int j = 0; j < space1; j++) {
            cout << " ";
        }
        for (int j = 0; j < star2; j++) {
            cout << "*";
        }
        for (int j = 0; j < space2; j++) {
            cout << " ";
        }
        for (int j = 0; j < star2; j++) {
            cout << "*";
        }
        for (int j = 0; j < space1; j++) {
            cout << " ";
        }
        for (int j = 0; j < star1; j++) {
            cout << "*";
        }
        star1++;
        space1--;
        star2--;
        space2 += 2;
        cout << endl;
    }
}