[2112]\left[\begin{array}{ll}2 & 1 \\1 & 2\end{array}\right][2112]
[2142]\left[\begin{array}{ll}2 & 1 \\4 & 2\end{array}\right][2412]
[1245]\left[\begin{array}{ll}1 & 2 \\4 & 5\end{array}\right][1425]
[2−244]\left[\begin{array}{cc}2 & -2 \\4 & 4\end{array}\right][24−24]