The VMS is full of these patterns. They are not always in square blocks, some of them are on the diagonal.
"It's not just an interesting possibility, there are many signs that the text (at least on some pages) was laid down in more than one pass. I've collected many examples and once you start to see them, you can't help saying to yourself, "Whoa, what exactly is going on here?" -JKP- voynich.ninja 29-02-2016
"It's not just an interesting possibility, there are many signs that the text (at least on some pages) was laid down in more than one pass. I've collected many examples and once you start to see them, you can't help saying to yourself, "Whoa, what exactly is going on here?" -JKP- voynich.ninja 29-02-2016