# code: http://golf.shinh.org/reveal.rb?Stars+and+Bars/tails_1644992679&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

= #(subscript (wrapped)):[[chr]] 
    ;$ #(= sndInt):int 
    =~ #(group by (also sorts)):[[[chr]]] 
        `* #(nary cartesian product):[[chr]] 
            . #(map):[[chr]] 
                , #(range from 1):[int] 
                    - #(subtract):int 
                        + #(sum):int 
                            _ #(= ints):[int] 
                        ~ #(auto = 1):auto 
                "*|" #(string):[chr] <--arg( A:int ) 
        `< #(sort):[chr] <--arg( B:[chr] ) 
            $ #(= B):[chr]