Handwritten Armenian capitals from the Mashtots dataset. Each row shows the same eight samples, so you can follow one glyph down the column as it loses pixels. The chapter trains at 24x24 (highlighted): below that the thin strokes start to break up, above it training time grows faster than the image does.
ՊԱՆԻՐone real sample per letter, pasted side by side - each written by a different hand, which is exactly the problem the homework ends on