# code: http://golf.shinh.org/reveal.rb?Pandigital+Roman+Numerals/tails_1643878500&nbb
# target Nibbles version: 0.2
# commenter version: 0.1.2.181

#(implicit map):[[[chr]]] 
    `* #(nary cartesian product):[[chr]] 
        . #(map):[[chr]] 
            \ #(reverse):[[chr]] 
                `/ #(chunks of):[[chr]] 
                    ~ #(auto = 2):auto 
                    "IVXLCDM" #(string):[chr] 
            ^ #(replicate):[chr] <--arg( A:[chr] ) 
                1 #(integer):int 
                $ #(= A):[chr] 
    % #(split (remove empties)):[[chr]] <--arg( C:[chr] B:[chr] ) 
        #(implicit arg = C):[chr] 
        #(implicit arg = C):[chr]