Figure 11

The 13 single-edge spur models of Fig. 7(A) with p (B), M ₁ (C) or both (D) estimated. The plots show that R⁶X⁹ should perhaps be trusted more than R⁶X⁸. AICs in the B-D legends suggest that R⁶X¹⁰ (which allows a 4^th filled a-site) is more likely than R⁶X⁷.