Oh, and one more thing I forgot to mention.
In that Puzzle Panel, make those Box Arrows brighter. It took me quite a long time before I realised there was a number box, and then on top and bottom of them were boxes with arrows, that I can simply click to change the numbers (which was very comfortable actually, since I could just use mouse)
Those Arrow boxes actually confused me at beginning, since I was looking at them and looking if there is some meaning to it, that only some of the boxes have numbers, while some dont (point being that I didnt see those arrows, as they were so black, so I thought they were empty boxes and thought there might be some pattern to number boxes appearing among empty boxes).
Regarding the brute forcing. I dont think Brute Forcing is a problem. I would say, leave it there so that people can Brute force through if they want to.
Problem was that I first opened the Puzzle Panel, and then took the attitude that, okay, I solve this puzzle first, before going to check any other places. As in, I took it step-by-step approach, without realising that there were hints for the puzzle elsewhere. As in, I thought the Puzzle was independent from anything else, that all the necessary info to crack it, are there already, especially since instead of thinking Chapter : Verse, I thought it was X : Y as in Division result, which also made sense since there were only numbers from 0 - 9 to choose, so even bigger numbers divided by others would fall down between 0-9.
By other words, you need to figure out a way to either make it so that, for example, force player to see the Second Panel (the key to puzzle place) first, or then you have to encourage them to leave from the puzzle panel to explore keys to the puzzle.
As in, there could simply come a text something like "Oh, I know these Eldoran ships cracking systems, the key to crack them is always somewhere else to be found than on this panel", making player understand that not all the necessary info is there in that puzzle panel yet, but he needs to explore somewhere else to find the keys to solving the puzzle.
Regarding the Fifth, change of colors, I noticed the color changes, but I wasnt actually quite sure what was the difference between, was it standard blue and red, but I did notice that, was it green, meant the solution was right, which helped brute forcing it.