After clearing through the spider nest, we step on the teleport magic circle inside.
Walking through the passage, aiming for yet another spider nest.
We've repeated that about five times since we entered the labyrinth.
Of course, in regards to the magic circles, it's to investigate whether there are any differences in the book to reality.
All of the magic circles on the first floor we know where they lead to, but it was for the sake of confirming the book's credibility.