164891568           0 of            1 not allocated
 ----------------------
 Buffer 164891568 in IDATAP
          1        order
          1        inc
  271617720        blksize
          8        wordsize
  164892608        filler
          0        reader
         -1        index
          0        maxindex
          1        VM
          1        VMnreal
          0        VMoffset
  164891672        VMlist
     I         VMlist
     0    0
     I  reads   index    datap
     0    0        -1              0
 BufferList (    1:********)      164891568
N fillspread Bp
    1         1      164897112
 filler
      164892608 realtodouble0
 readers
123