usenauty-win-MSVC 19.29.30037.0

Compiled with Visual Studio 2019 IDE following instructions with readme.
Tested on MSVC 19.29.30037.0 platform.
Expected to be suitable for MSVC version >= 19.29.30037.0

usenauty-win-gnu-8.3.0

Compiled with gnu-8.3.0 toolset following instructions with readme.
Tested on gnu-8.3.0 platform.
Expected to be suitable for gnu version >= 8.3.0

usenauty-linux-gcc-8.4.0

Compiled with gcc-8.4.0 toolset following instructions with readme.
Tested on gcc-8.4.0 platform and gcc-9.3.0 platform.
Expected to be suitable for gcc version >= 8.4.0