

wget -nc http://www.iro.umontreal.ca/~lisa/icml2007data/mnist_rotation_new.zip
# uncompress
unzip -n mnist_rotation_new.zip -d mnist_rot


wget -nc http://www.iro.umontreal.ca/~lisa/icml2007data/mnist.zip
# uncompress
unzip -n mnist.zip -d mnist12k