Recursively Palindrome
Note that there are 2^6-1 characters.
Start file
6
End file
abacabadabacabaeabacabadabacabafabacabadabacabaeabacabadabacaba
View Diff
1c1 < 6 --- > abacabadabacabaeabacabadabacabafabacabadabacabaeabacabadabacaba
Solutions by @h_east:
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