SV = PVAV(0x**6adf0) at 0x**99148
  REFCNT = 1
  FLAGS = ()
  ARRAY = 0x**8b9c0
  FILL = 2
  MAX = 3
  FLAGS = (REAL)
  Elt No. 0
  SV = 0
  Elt No. 1
  SV = NULL(0x0) at 0x**69538
    REFCNT = 1
    FLAGS = ()
  Elt No. 2
  SV = IV(0x**696f0) at 0x**69700
    REFCNT = 1
    FLAGS = (IOK,pIOK)
    IV = 123