then within each cell of the three by three grid you be you basically create another random crop and drop some color channels and so you basically do spatial and color jittering at every single patch to prevent the chromatic aberration from happening and that way the neural network can cheat and both of these details will have a non trigger at a time and and they were very crucial and all the follow-up work so another version which is very similar to router position prediction is you know actually going all the way