# code: http://golf.shinh.org/reveal.rb?xnor/tails_1675317518&nbb
# target Nibbles version: 1.00
# commenter version: 0.1.2.181

/ #(foldr1):int 
    ints #(_):[int] 
    \B A 
    == #(equal?):int 
        B #($):int 
        \D 
        A #(_):int