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the nine numbered squares in Figure 11.7.6. If by we mean that the knight may move from square i to square j, the directed
graph in Figure 11.7.7 illustrates all possible moves that the knight may make among these nine squares. In Figure 11.7.8 we have
“unraveled” Figure 11.7.7 to make the pattern of possible moves clearer.
Figure 11.7.5
Figure 11.7.6
Figure 11.7.7
Figure 11.7.8
The vertex matrix of this directed graph is given by
