# code: http://golf.shinh.org/reveal.rb?char+pyramid/tails_1643275380&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

#(implicit map with implicit range):[[chr]] 
    ; #(save):int 
        , #(length):int 
            fstLine #(@):[chr] 
    sets A 
    \C B 
    & #(justify):[chr] 
        " " #(string):[chr] 
        - #(subtract):int 
            * #(multiply):int 
                A #(_):int 
                ~ #(auto = 2):auto 
            ~ #(auto = 1):auto 
        ~ #(center):null 
        * #(join):[chr] 
            " " #(string):[chr] 
            `' #(transpose):[[chr]] 
                > #(drop):[chr] 
                    - #(subtract):int 
                        A #(_):int 
                        C #($):int 
                    fstLine #(;@):[chr]