take a insertion format of a binary search tree showing as a graph
from docker hub
docker run --rm -v "$(pwd)":/home mingfeipan/tree_visualizer 223,45,77,44,67,714,873,782,7,12
or
docker build -t tree_visualizer:1.0 https://github.com/MingfeiPan/tree_visualizer.git
docker run --rm -v "$(pwd)":/home tree_visualizer:1.0 223,45,77,44,67,714,873,782,7,12
open tree.pdf