main()
{
   int i, j, k=10;

   while(k--) {
         for (i=0; i<4; i++)  {
              for (j=0; j<8; j++)
                   cprintf("%d ", j);
              cprintf("\r\n");
         }
   }
   cprintf("I am Outer1!\r\n");
   cprintf("I am Outer2!\r\n");
   cprintf("I am Outer3!\r\n");
   cprintf("I am Outer4!\r\n");
}
