array length = 1606
checksum param = 
powershell : Exception calling "ToInt64" with "2" argument(s): "Index was out of range. Must be non-negative and less 
than the size 
At C:\Users\R\AppData\Local\Temp\ps-script-f1c723f2-c255-4489-9587-0cddbfccfc98.ps1:108 char:1
+ powershell -NoProfile -ExecutionPolicy Bypass -File _tmp_decode_cf.ps ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (Exception calli... than the size :String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError
 
of the collection.
Parameter name: startIndex"
At D:\DISK-D\na3papki\land-2\_tmp_decode_cf.ps1:27 char:1
+ $target = [Convert]::ToInt64($param.Groups[1].Value, 16)
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : ArgumentOutOfRangeException