Write a Cryptogram for the Message "MERRY CHRISTMAS" Using the Matrix

question 86

Essay

Write a cryptogram for the message "MERRY CHRISTMAS" using the matrix $\left[ \begin{array} { c c c } 0 & 2 & 1 \\- 4 & 1 & 4 \\4 & - 2 & 0\end{array} \right]$ . Show all your work.