# code: http://golf.shinh.org/reveal.rb?Fibonacci/darrenks_1641953716&nbb
# target Nibbles version: 0.21
# commenter version: 0.1.2.181

. #(map):[int] 
    < #(take):[int,int] 
        fstInt #($):int 
        `. #(iterate while uniq):[int,int] 
            ~ #(tuple):int,int 
                0 #(integer):int 
                1 #(integer):int 
            \B A 
            #(implicit tuple):int,int 
                + #(add):int 
                    #(implicit arg = B):int 
                    #(implicit arg = A):int 
                #(implicit arg = B):int 
    #\D C 
    #(implicit arg = D):int