# code: http://golf.shinh.org/reveal.rb?Back+and+forth/tails_1645683363&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

/ #(foldr):[[chr]] 
    \ #(reverse):[[[chr]]] 
        `/ #(chunks of):[[[chr]]] 
            ~ #(auto = 2):auto 
            % #(split (remove empties)):[[chr]] 
                allInput #(;_):[chr] 
                ~ #(auto = words):auto 
    ~ #(tuple):[[chr]],int 
        % #(split (remove empties)):[[chr]] 
            "" #(string):[chr] 
            ~ #(auto = words):auto 
        0 #(integer):int 
    \C B A 
    #(implicit tuple):[[chr]],int 
        : #(append):[[chr]] 
            B #(@):[[chr]] 
            `: #(list of 2 lists):[[chr]] 
                & #(justify):[chr] 
                    " " #(string):[chr] 
                    ; #(save):int 
                        + #(add):int 
                            , #(length):int 
                                / #(foldr1):[chr] 
                                    C #($):[[chr]] 
                                    \E D 
                                    E #($):[chr] 
                            A #(_):int 
                    sets F 
                    / #(foldr1):[chr] 
                        C #(@):[[chr]] 
                        \H G 
                        H #($):[chr] 
                & #(justify):[chr] 
                    " " #(string):[chr] 
                    F #($):int 
                    \ #(reverse):[chr] 
                        ; #(save):[chr] 
                            =~ #(subscript nowrap):[chr] 
                                2 #(integer):int 
                                C #(@):[[chr]] 
                        sets I 
        - #(subtract):int 
            F #(@):int 
            , #(length):int 
                #(implicit arg = I):[chr] 
#sets J