maybe there's an encoding that can allow counting different ordered accumulations succintly.. (thinking out loud here) ps: apparently there's already a lot of

maybe there's an encoding that can allow counting different ordered accumulations succintly.. (thinking out loud here) ps: apparently there's already a lot of research on multidimensional dyck languages (somehow mentionned below) https://arxiv.org/pdf/2307.16522 https://arxiv.org/pdf/2307.16522 https://omelkonian.github.io/data/publications/d3.pdf https://omelkonian.github.io/data/publications/d3.pdf