Figure 8.

CGR in the “ACGT” square, with $A=\left(0,0\right)$, $T=\left(1/2,0\right)$, $G=\left(1/2,1/2\right)$, $C=\left(0,1/2\right)$ played with $8\times {10}^4$ points. Left part: “AT” moves are forbidden (model TR12). Middle part: “AG” moves are forbidden (model TR13). Right part: “GG” moves are forbidden (model TR33).