Matrices And Determinants

Let \(A = \left[ {\matrix{ 0 & 1 & 0 \cr 1 & 0 & 0 \cr 0 & 0 & 1 \cr } } \right]\). Then the number of 3 \(\times\) 3 matrices B with entries from the set {1, 2, 3, 4, 5} and satisfying AB = BA is ____________.