# code: http://golf.shinh.org/reveal.rb?sum+of+subsequences/tails_1645786103&nbb
# target Nibbles version: 0.24
# commenter version: 0.1.2.181

#(implicit string concatenation):[chr] 
    #(implicit string concatenation):[chr] 
        "[" #(string):[chr] 
        * #(join):[chr] 
            "," #(string):[chr] 
            `< #(sort):[int] 
                . #(map):[int] 
                    `_ #(subsequences):[[int]] 
                        ~ #(auto = 2):auto 
                        ints #(_):[int] 
                    \A 
                    + #(sum):int 
                        A #($):[int] 
    "]" #(string):[chr]