Example

The $4d^9 5s^2$ $^2$D state of Ag, in symmetry $I$

$closed shells
  a       1-5                                    ( 2 )
  t1      1-3                                    ( 2 )
  h       1                                      ( 2 )
$open shells type=1
  h       2                                      ( 9/5 )
$roothaan         1
  a = 80/81      b = 80/81