(23+2i1−2ii+2)\mathrm{\left(\begin{array}{cc}2 & 3+2 i \\1-2 i & i+2\end{array}\right)}(21−2i3+2ii+2)
(3−2i2i−21+2i)\mathrm{\left(\begin{array}{cc}3-2 i & 2 \\i-2 & 1+2 i\end{array}\right)}(3−2ii−221+2i)
(21+2i3−2ii−2)\mathrm{\left(\begin{array}{cc}2 & 1+2 i \\3-2 i & i-2\end{array}\right)}(23−2i1+2ii−2)
(23+2i1−2i−i−2)\mathrm{\left(\begin{array}{cc}2 & 3+2 i \\1-2 i & -i-2\end{array}\right)}(21−2i3+2i−i−2)