Going on the assumption that the password is exactly 16 digits long and numeric im sure we could section off parts of the range as definitive "not it" sections so were not all trying the first million numbers over and over. Allowing even a few machines to break the 9 Quadrillion possible options across 9 machines could be a great speed up.
I released an update for the Windows version that allows you to specify start and end points following the pattern ./tominecon_cracker_win.exe <path_to_7z_file> [num_of_threads] [start_index] [end_index]
The Linux version does not currently support this.
Going on the assumption that the password is exactly 16 digits long and numeric im sure we could section off parts of the range as definitive "not it" sections so were not all trying the first million numbers over and over. Allowing even a few machines to break the 9 Quadrillion possible options across 9 machines could be a great speed up.