This is a series of programming challenges for beginners and experienced Caché programmers.
For an introduction : goto to article https://community.intersystems.com/post/advent-code-2016-day1-no-time-t…
In today's challenge, you have to repair the communication with Santa : messages are coming in, but jammed.
By using repetition code (see also https://en.wikipedia.org/wiki/Repetition_code), you can find out what's in the message : by sending the same message a number of times, you can calculate which characters are most frequent on each position and find the most likely message.

I unable to change response Class.

