challenge.py

https://d17zlucxou2y8w.cloudfront.net/misc/353--xgraphy/challenge.py

output.txt

https://d17zlucxou2y8w.cloudfront.net/misc/353--xgraphy/output.txt

key_visual.png

https://d17zlucxou2y8w.cloudfront.net/misc/353--xgraphy/key_visual.png