C program only in two loops -

i want write c program having following output. there condition. should done maximum 2 loops only.

output            *           * *          * * *         * * * *        * * * * * 

any appreciated. thanks

here code without loop.

int main() {     printf("    *\n");     printf("   * *\n");     printf("  * * *\n");     printf(" * * * *\n");     printf("* * * * *\n");     return 0; }