d are mirror images of each other, as are
other pairs of letters are mirrors, except for letters like
H that are
mirrors of themselves, and what's the interest in a pair that's just two
of the same letter? We refuse to count self-mirrors as mirrored pairs.
Input is a list of lines with two characters on each line. Your program should end immediately when it encounters a line with two spaces.
The first line of output should contain only
Ready. For each pair of
characters (prior to a pair of spaces), print the line
Mirrored pair if
the characters are mirrors, otherwise print the line
Fr qp HH db pq
Ready Ordinary pair Mirrored pair Ordinary pair Mirrored pair