Find the Uncoded 1 × 3 Row Matrices for the Message

Essay

Find the uncoded 1 × 3 row matrices for the message "MERRY CHRISTMAS";then encode the message using the encoding matrix $$\left[ \begin{array} { c c c } 0 & 1 & 1 \\- 2 & 1 & 2 \\2 & - 1 & 0\end{array} \right]$$ .Show all your work.