so um that that is kind of the additional thing they introduced it with respect to RL that deals with with stacked time frames but it's kind of the same the same diagram as above here right so they explained the the RL algorithms they use and exactly they're they're their thing and here you can see that anchor is a crop and the positive sample is a random crop from the same image this would be up here somewhere the anchor is cropped from the middle and then the negative would be a random crop from a different