# code: http://golf.shinh.org/reveal.rb?rad+math/tails_1673166066&nbb
# target Nibbles version: 1.00
# commenter version: 0.1.2.181

/ #(foldr1):[chr] 
    % #(split (remove empties)):[[chr]] 
        . #(map):[chr] 
            `\ #(special scans):[int] 
                + #(add):[chr] 
                    4 #(integer):int 
                    fstLine #(@):[chr] 
                + #(foldop: add):null 
            \A 
            = #(subscript (wrapped)):chr 
                A #($):int 
                " 54321*0" #(string):[chr] 
        ~ #(auto = words):auto 
    #\C B 
    #(implicit arg = C):[chr]