We are trying to improve Playfair. One suggestion is, instead of enciphering pairs of adjacent letters, that we instead encipher the the outermost pairs of letters, moving towards the center. In other words, the first and last letter of the message would constitute the first pair of letters to be enciphered, then the second and second-to last, as shown below, where the letters in the positions of the As below would be enciphered first, then Bs, then Cs, etc. ABCDEFGGFEDCBA For additional clarity on how this cryptosystem works, an example of encipherment with this system is provided below, using a Playfair key built from the letters in alphabetic order (we cannot provide the full key grid, because you should know how to do this). The arrows show how the letters are paired for Playfair encipherment. plain ciph Does this change improve security, hurt security, or neither? Why