# code: http://golf.shinh.org/reveal.rb?Reversed+8bit+numbers/tails_1644497813&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

=~ #(group by (also sorts)):[[int]] 
    `, #(range from 0):[int] 
        256 #(integer):int 
    \A 
    \ #(reverse):[int] 
        `@ #(to base):[int] 
            2 #(integer):int 
            #(implicit arg = A):int