\( nodes: \begin{array}{ccccccccccc} & & & & 27 & \rightarrow & 28 & \rightarrow & 29 & \rightarrow & 30 & \rightarrow & B(31)\\ & & & & \uparrow & & \uparrow & & \uparrow & & \uparrow & & \uparrow \\ & & & & 22 & \rightarrow & 23 & \rightarrow & 24 & \rightarrow & 25 & \rightarrow & 26 \\ & & & & \uparrow & & \uparrow & & \uparrow & & \uparrow & & \uparrow \\ & & & & 17 & \rightarrow & 18 & \rightarrow & 19 & \rightarrow & 20 & \rightarrow & 21 \\ & & & & \uparrow & & \uparrow & & \uparrow & & \uparrow & & \uparrow \\ 10 & \rightarrow & 11 &\rightarrow & 12 & \rightarrow & 13 & \rightarrow & 14 & \rightarrow & 15 & \rightarrow & 16 \\ \uparrow & & \uparrow & & \uparrow \\ 7 & \rightarrow & 8 &\rightarrow & 9 \\ \uparrow & & \uparrow & & \uparrow \\ 4 & \rightarrow & 5 &\rightarrow & 6 \\ \uparrow & & \uparrow & & \uparrow \\ A(1)& \rightarrow & 2 &\rightarrow & 3 \\ \end{array} \)
\(\small{\text{ entrys $ \qquad 1 = $ one way $\quad 0 = $no way from node x to node y}}\)
Matrix A =
Marix A*A =
...
\(\text{Matrix }\ A^{12} =A\cdot A \cdot A \cdot A \cdot A \cdot A \cdot A \cdot A \cdot A \cdot A \cdot A \cdot A = \)
\( A^{12} : \text{ Matrix element[A][B] } =350 \quad\text{ (12-station-way)}\)
