Zeons, Permanents, the Johnson Scheme, and Generalized Derangements

Figure 2

𝑀_3,ℓ, 𝐾^3(ℓ), 𝑃_3,ℓ, and the 5 weighted elementary subgraphs of 𝐾^3(ℓ) for ℓ=0,1,2,3. Distinguished vertices are shown in bold.