# code: http://golf.shinh.org/reveal.rb?greater+than+N/tails_1644977004&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

| #(filter):[int] 
    ints #(_):[int] 
    \A 
    - #(subtract):int 
        A #($):int 
        fstInt #(@):int