The demonstration isn't classifying based on compressed data, rather it's classifying on the compressibility of data. The idea is that "7 7" should be more comp

The demonstration isn't classifying based on compressed data, rather it's classifying on the compressibility of data. The idea is that "7 7" should be more compressible than "7 3", and similarly raster images of "7 7" should be more compressible than raster images of "7 3".