# code: http://golf.shinh.org/reveal.rb?A001037/tails+%28xnor%29_1691059896&nbb
# target Nibbles version: 1.00
# commenter version: 0.1.2.181

/ #(foldr):[int] 
    \ #(reverse):[int] 
        , #(range from 1):[int] 
            20 #(integer):int 
    ~ #(tuple):[int],int 
        ints #(_):[int] 
        fstInt #($):int 
    \C B A 
    #(implicit tuple):[int],int 
        : #(append):[int] 
            B #(@):[int] 
            / #(divide):int 
                ; #(save):int 
                    - #(subtract):int 
                        ; #(save):int 
                            ^ #(pow):int 
                                2 #(integer):int 
                                C #($):int 
                        sets D 
                        % #(modulus):int 
                            / #(divide):int 
                                A #(;$):int 
                                ; #(save):int 
                                    ^ #(pow):int 
                                        D #($):int 
                                        fstInt #(;@):int 
                                sets E 
                            D #(@):int 
                sets F 
                C #(;$):int 
        + #(add):int 
            A #(;_):int 
            * #(multiply):int 
                / #(divide):int 
                    ^ #(pow):int 
                        E #(@):int 
                        10 #(integer):int 
                    - #(subtract):int 
                        E #(@):int 
                        ~ #(auto = 1):auto 
                #(implicit arg = F):int 
#sets G