$R^3_{1}\quad U=((1 3 2) , (1 3 2) , (1 3 2))\quad D=\iota\quad \hbox{order 6} \quad c_1 = 6, c_2 = 0$\hfil\break
$R^3_{2}\quad U=((1 3) , \iota , (1 3))\quad D=\iota\quad \hbox{order 4} \quad c_1 = 4, c_2 = 2$\hfil\break
$R^3_{3}\quad U=((1 3) , (1 3) , (1 3))\quad D=\iota\quad \hbox{order 4} \quad c_1 = 6, c_2 = 0$\hfil\break