# code: http://golf.shinh.org/reveal.rb?reversed+even+or+odd+first/tails_1643891663&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

+ #(concat):[int] 
    `' #(transpose):[[int]] 
        `/ #(chunks of):[[int]] 
            ~ #(auto = 2):auto 
            \ #(reverse):[int] 
                , #(range from 1):[int] 
                    $ #(= fstInt):int