Break your message into groups of three letters, using a dash (-) to represent a space. Create a column matrix for the groups, using the correspondence:

a -> 1

b -> 2

.

z -> 26

space -> 27

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# Break your message into groups of three letters, using a dash (-) to represent a space. Create a column matrix

Break your message into groups of three letters, using a dash (-) to represent a space. Create a column matrix for the groups, using the correspondence:

a -> 1

b -> 2

.

z -> 26

space -> 27