Same here. Non native English speaker. The first rule is that inner squares are of size 1. Always.
Yet, in each example the inner squares shrink. Uh?
It know it was a convention to better show the arrangement, normalizing, yadda yadda.
Yet, Uh?
The total image size is scaled each time such that each solution takes up the same amount of space. It is easier to browse that way.
The total image size is scaled each time such that each solution takes up the same amount of space. It is easier to browse that way.