> printf("%d! --\n   (0)%5d    (1)%5d    (2)%5d    (3)%5d    (4)%5d\n   (5)%5d    (6)%5d    (7)%5d    (8)%5d    (9)%5d\n",n,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);