Data Format B-2 TB2 XYZ Gridded Data

This format is a compact way to store regular grid X, Y, and Z data. It contains three lists, each with the number of data points as the first value in the list. The file contains a list of the X coordinates, a list of Y coordinates, and a list of the Z's.
Example
------------------------
195                                                            Nx

-97516.6484

-96511.4938

-95506.3391

-94501.1845
...
...
...
113                                                            Ny

656865

657873.929

658882.857

659891.786
...
...
...
22035                                                        Nz

-28.337

-28.346999

-28.1969829
...
...
...