10 - x_assemblies - Number of assemblies in the x-axis of the reactor
10 - y_assemblies - Number of assemblies in the y-axis of the reactor
9 - cai - Number of coarse axial intervals
5 - fai - Number of fine axial intervals per coarse  axial interval
2 - axial_exp - Axial source expansion order
0.05 - radial_ray_sep -  Radial ray separation
0.25 - axial_z_sep -  Axial stacked z-ray separation
6 - n_azimuthal  -  Number of azimuthal angles (should be 32)
10 - n_polar_angles -  Number of polar angles
10 - n_egroups -  Number of energy groups
1 - decompose - Turn decomposition on/off (true = 1, false = 0) 
20 - decomp_assemblies_ax - Number of assemblies per sub-domain (axially) 
20 - segments_per_track - Average number of segments per track
21.42 - assembly_width - Width of an assembly - 1.26 x 17 cm
50.0 - height - Height of the reactor
0.01 - precision - precision for source convergence
1000 - n_2D_source_regions_per_assembly - 2D src regions per assembly 
0 - papi_event_set - PAPI Event Set Choice
0 - Turn on/off load tracks from OpenMOC (true = 1, false = 0)
file_name - name of OpenMOC tracking file to load