# code: http://golf.shinh.org/reveal.rb?TheoWrrst+Error+Cttreccioneret+od/tails_1651315343&nbb
# target Nibbles version: 0.25
# commenter version: 0.1.2.181

#(implicit map):[chr] 
    `' #(transpose):[[chr]] 
        allLines #(;@):[[chr]] 
    \B A 
    = #(subscript (wrapped)):chr 
        13 #(integer):int 
        `< #(sort):[chr] 
            B #($):[chr]