There was a problem loading minimum-cut-linear-arrangement.ipynb in hard-problems-formulations.
Error: ENOENT: no such file or directory, lstat '/var/data/cocalc/1d588dae-0d14-422a-88b4-c470ec2c8303/hard-problems-formulations/minimum-cut-linear-arrangement.ipynb'
Error: ENOENT: no such file or directory, lstat '/var/data/cocalc/1d588dae-0d14-422a-88b4-c470ec2c8303/hard-problems-formulations/minimum-cut-linear-arrangement.ipynb'