# code: http://golf.shinh.org/reveal.rb?Cut+Down+FIXED/tails_1645491211&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

+ #(concat):[chr] 
    . #(map):[[chr]] 
        fstLine #(@):[chr] 
        \A 
        ? #(if/else):[chr] 
            - #(subtract):int 
                'a' #(char):chr 
                A #($):chr 
            \B 
            : #(append):[chr] 
                " " #(string):[chr] 
                `( #(to lowercase):chr 
                    A #(@):chr 
            #(implicit arg = A):chr