If A =  \(\left[\begin{array}{ccc} 1 & -1 & 1 \\ 2 & 1 & -3 \\ 1 & 1 & 1 \end{array}\right]\), 10B = \(\left[\begin{array}{ccc} 4 & 2 & 2 \\ -5 & 0 & α \\ 1 & -2 & 3 \end{array}\right]\) and B is inverse of A then α = ________.