> In a snake pattern, the neighbouring pixels on the left and right are related, but the ones above and below have skipped a whole row. But this is also true i

> In a snake pattern, the neighbouring pixels on the left and right are related, but the ones above and below have skipped a whole row. But this is also true in Hilbert curves across the boundaries of the "squares" that I mentioned. The two center pixels in the top row are much more distant than any two pixels would be in a snake pattern.