source: https://www.mapequation.org/
> wget https://github.com/mapequation/infomap/archive/v1.1.3.zip > unzip v1.1.3.zip > mv infomap-1.1.3 infomap > rm -f v1.1.3.zip
> cd infomap > make > ./Infomap -h # an example > mkdir out > ./Infomap ninetriangles.net out --ftree --clu -N 5