# code: http://golf.shinh.org/reveal.rb?cumulative+max+folding/Dingledooper_1640319411&nbb
# target Nibbles version: 0.2
# commenter version: 0.1.2.181

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