To
          A B C D E F G
        A 0 1 0 0 1 0 0
        B 0 0 0 0 0 0 0
        C 1 0 0 0 1 0 0
From    D 0 1 1 0 0 0 1
        E 0 0 0 0 0 0 0
        F 0 0 1 0 1 0 1
        G 0 1 0 0 0 0 0

Row 1 is not the same as column 1 for this directed graph. Why?