After some search I found this description, which seems to explain brazil and version sets: https://gist.github.com/terabyte/15a2d3d407285b8b5a0a7964dd6283b0 ht

After some search I found this description, which seems to explain brazil and version sets: https://gist.github.com/terabyte/15a2d3d407285b8b5a0a7964dd6283b0 https://gist.github.com/terabyte/15a2d3d407285b8b5a0a7964dd6...