Visualizing a 2-D Array
v  Dim a (1 To 3, 1 To 3) As Integer
We’ll regard the first subscript as the row, and the
second as the column
a(1,2)
a(1,1)
a(1,3)
a(2,2)
a(2,1)
a(2,3)
a(3,3)
a(3,1)
a(3,2)