$a 1
$f%d%x
$d  890177AF
$d  13X12
$d  13AX12F
$f%x%d
$d  13XF12
$d  -13X12
$f%i%i
$d  13q14Q
$d  13x14X
$d  13 14
$d  13i14i
$d  13AX12F
$d  --13
$d  -4+5
$d  ++4
$f%3d%*2d%d
$d  1234567
$d  1234 678
$d  12 456 78
$d -1234+678
#