If {\A}=\left[\begin{array}{ccc}1 & 2 & 3 \ 2 & 1 & 1 \ 1 & 3 & 1]\end{array} and {\B}=\left[\begin{array}{ccc}2 & 3 & 4 \ 3 & 2 & 2 \ 2 & 4 & 2]\end{array}, then \sqrt{|{\Adj}(A B)|}=