At every iteration, we select the GPT with the lowest test accuracy,
and run one epoch.
+* Creating new quizzes
+
If its test accuracy got higher than 97.5%, it will create new
quizzes. To do so, it generates a large number of pairs of frames, and
checks which ones of these quizzes are hard but not too hard, which
-means
-
-[THIS IS THE IMPORTANT BIT]:
+means [THIS IS THE IMPORTANT BIT]:
it can be solved, in both time directions, by all the other GPTs **but
one**