#/usr/lib/python3.7/site-packages/ipykernel_launcher.py -f /run/user/1000/jupyter/kernel-e3f9fec6-98e7-4e7a-906d-382e42ae8a2b.json
# GMT Tue Oct 16 07:14:11 2018
# 
0 0 1 1 3 3 4
1 1 2 2 4
3 2 2 3 4
4 2
2 2