http://www.robots.ox.ac.uk/~vgg/data/pets/data/annotations.tar.gz 19173078 52425fb6de5c424942b7626b428656fcbd798db970a937df61750c0f1d358e91
http://www.robots.ox.ac.uk/~vgg/data/pets/data/images.tar.gz 791918971 67195c5e1c01f1ab5f9b6a5d22b8c27a580d896ece458917e61d459337fa318d
