[sestep]

I think you can do this with Virgil, but I'm having trouble finding the exact doc page at the moment: https://github.com/titzer/virgil

[titzer]

The description is in the paper, but not all of it is implemented.

https://arxiv.org/abs/2410.11094

Bradley implemented a prototype of the packing solver, but it doesn't do the full generality of what is proposed in the paper.