optimal [(0, 1, 2, 3, 4), (0, 1, 2, 3, 4, 5, 6, 7, 8), (0, 1, 2, 5), (0, 1, 2, 6, 8), (0, 1, 3, 5, 7), (0, 1, 3, 6), (0, 1, 4, 5, 6), (0, 1, 4, 7), (0, 1, 5, 6, 7, 8), (0, 2, 3, 4, 5, 7), (0, 2, 3, 5, 6), (0, 2, 3, 8), (0, 2, 4, 5, 8), (0, 2, 4, 6), (0, 2, 7), (0, 3, 4, 5, 6, 8), (0, 4, 6, 7, 8), (1, 2, 3, 5, 8), (1, 2, 3, 7), (1, 2, 4, 5, 7), (1, 2, 4, 8), (1, 3, 4, 5), (1, 3, 4, 7, 8), (1, 6, 7), (2, 3, 6, 7, 8), (2, 5, 6, 8), (3, 4, 6), (3, 5, 7, 8), (8,)] (if conjecture about Ferrers Diagram Rank-Metric Codes is true: 208467537403133 with optimal [(0, 1, 2, 3, 4), (0, 1, 2, 3, 4, 5, 6, 7, 8), (0, 1, 2, 5), (0, 1, 2, 6, 8), (0, 1, 3, 5, 7), (0, 1, 3, 6), (0, 1, 4, 5, 6), (0, 1, 4, 7), (0, 1, 5, 6, 7, 8), (0, 2, 3, 4, 5, 7), (0, 2, 3, 5, 6), (0, 2, 3, 8), (0, 2, 4, 5, 8), (0, 2, 4, 6), (0, 2, 7), (0, 3, 4, 5, 6, 8), (0, 4, 6, 7, 8), (1, 2, 3, 5, 8), (1, 2, 3, 7), (1, 2, 4, 5, 7), (1, 2, 4, 8), (1, 3, 4, 5), (1, 3, 4, 7, 8), (1, 6, 7), (2, 3, 6, 7, 8), (2, 5, 6, 8), (3, 4, 6), (3, 5, 7, 8), (8,)])
) : 208467537403133