Compute A2A^2A2 where A=(1102)A = \begin{pmatrix} 1 & 1 \\ 0 & 2 \end{pmatrix}A=(1012).
(1304)\begin{pmatrix} 1 & 3 \\ 0 & 4 \end{pmatrix}(1034)
(1204)\begin{pmatrix} 1 & 2 \\ 0 & 4 \end{pmatrix}(1024)
(2204)\begin{pmatrix} 2 & 2 \\ 0 & 4 \end{pmatrix}(2024)
(1104)\begin{pmatrix} 1 & 1 \\ 0 & 4 \end{pmatrix}(1014)