# code: http://golf.shinh.org/reveal.rb?Reapeated+Printing/tails_1645293552&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

+ #(concat):[chr] 
    . #(map):[[chr]] 
        - #(diff):[chr] 
            , #(range from 1):[chr] 
                = #(subscript (wrapped)):chr 
                    3 #(integer):int 
                    @ #(= fstLine):[chr] 
            << #(init):[chr] 
                , #(range from 1):[chr] 
                    / #(foldr1):chr 
                        @ #(= fstLine):[chr] 
                        $ #(= B):chr <--arg( B:chr A:chr ) 
        ^ #(replicate):[chr] <--arg( C:chr ) 
            `r #(read int):int 
                _ #(= fstLine):[chr] 
            #(implicit arg = C):chr