[0100]\left[\begin{array}{ll}0 & 1 \\0 & 0\end{array}\right][0010]
[1000]\left[\begin{array}{ll}1 & 0 \\0 & 0\end{array}\right][1000]
[1111]\left[\begin{array}{ll}1 & 1 \\1 & 1\end{array}\right][1111]
[1100]\left[\begin{array}{ll}1 & 1 \\0 & 0\end{array}\right][1010]