# code: http://golf.shinh.org/reveal.rb?ascending+chars/tails_1645409239&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

`$ #(uniq):[chr] 
    `\ #(special scans):[chr] 
        @ #(= fstLine):[chr] 
        ] #(foldop: max):null