Let’s look at an old Roman age encryption scheme. Let’s say we intercepted a message from a known Celtic hacker group. W

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Let’s look at an old Roman age encryption scheme. Let’s say weintercepted a message from a known Celtic hacker group. We knowfrom experience that this group uses the characters from A to Z(all upper case), then a space, and then the numerals from 0 to 9and employs a wrap around (moving left from A gives us 9 and movingright from 9 gives us A). The first leading pairs of letters tellus what the substitution code is using the code phrase “TrudyJones”. For example if the first two pairs are uy du the code is 24and 32. This would mean that we move the first 2 letters 4 placesto the right eg. A becomes E), and then the next 3 letters 2 placesto the left (eg. A becomes 8), then 4 places to the right for thenext 2 characters and so on to encrypt the message.
a. What is the message hidden in: dy un XLIT4MK373W1 ?Remember that you will have to reverse the algorithm (i.e. shiftleft first then right then left etc.) to decrypt the message.Please give the exact message (use the underscore _ to denote anyblank spaces in your answer).
PLEASE DO NOT ANSWER USING A DIFFERENTMESSAGE