3 ms·BB(2, 5) is hard (Hydra)4 points by LegionMammal978 2y agoLegionMammal978 2y agoRelated: BB(3, 3) is Hard - https://news.ycombinator.com/item?id=37910297 https://news.ycombinator.com/item?id=37910297 - Oct 2023 (132 comments)