# code: http://golf.shinh.org/reveal.rb?+A000217/tails_1644932838&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

`\ #(special scans):[int] 
    , #(range from 1):[int] 
        40 #(integer):int 
    + #(foldop: add):null