Update.
-rw-r--r-- 2260 README.txt
-rwxr-xr-x 6385 attae.py
-rwxr-xr-x 2639 ffutils.py
-rwxr-xr-x 67096 grids.py
-rwxr-xr-x 30081 main.py
-rwxr-xr-x 2713 problem.py
drwxr-xr-x - report