an image that has the let's say the number three and you really want to figure out whether or not this is a three then the bow up here must communicate with the bow down here right they need to share information you say oh there's a bow here there's a bow here and there is a spiky thing here that must be a three so you want something this is rather at the beginning of the sequence you want this to attend first of all it will attend itself so you get fairly high values along the diagonal maybe 1010 1011 1112 and I saw this all