$BR^2_{1}(Q^2_{1},Q^2_{1})\quad U=\iota\quad D=\iota\quad \hbox{order 2} \quad S, c_1 = 4, c_2 = 0$\hfil\break
$BR^2_{2}(Q^2_{1},-)\quad U=((1 2) , (1 2))\quad D=\iota\quad \hbox{order 4} \quad c_1 = 4, c_2 = 0$\hfil\break