Graphs made by Grundy numbers of Chocolates that satisfy the inequality

In this section we study Grundy numbers G1R({y,z}) for chocolates that satisfy the inequality $y \leq z$ under $(mod n)$ for a natural number $n$ , and make graphs of them.
Fig 6.7 is made by Grundy numbers $($ mod $2 )$ in Fig 5.3.

Figure 6.1  

Fig 6.8 is made by Grundy numbers $($ mod $3 )$ in Fig 5.3.

Figure 6.2  

Fig 6.9 is made by Grundy numbers $($ mod $4)$ in Fig 5.3.

Figure 6.3  

Fig 6.10 is made by Grundy numbers $($ mod $5 )$ in Fig 5.3.

Figure 6.4  

Fig 6.11 is made by Grundy numbers $G1R(\{y,z\})$ $($ mod $6 )$ in Fig 5.3.

Figure 6.5