On July 11, both sets of Alabama voter groups that favor two black-majority U.S. House districts filed their briefs in the U.S. Supreme Court. Merrill v Milligan, 21-1086. They had won injunctive relief in the 3-judge U.S. District Court earlier this year, but then the U.S. Supreme Court had stayed the order and had also accepted the case for full review.
Here is the brief of the first set of plaintiffs.
Here is the brief of the second set of plaintiffs.