General Symmetric 2-Local

Symmetric Two-Local ({K}^+)-Hamiltonian problem as a function of Bell-state energies (\alpha \geq \beta \geq \gamma). Each point ((\alpha,\beta,\gamma)) is classified by sorting its coordinates (WLOG by Cubitt–Montanaro), then colored by complexity class. The full cube shows all 6 permutations of the parameter wedge.