# code: http://golf.shinh.org/reveal.rb?interleave+first+every+third/whio_1723575547&nbb
# target Nibbles version: 0.2
# commenter version: 0.1.6.187

#(implicit string concatenation):[chr] 
    ; #(let):chr 
        `( #(uncons):chr 
            allInput #(;_):[chr] 
        sets A 
    sets B 
    * #(join):[chr] 
        : #(append):[chr] 
            B #($):chr 
            ~ #(auto = []):auto 
        `/ #(chunks of):[[chr]] 
            ~ #(auto = 2):auto 
            #(implicit arg = A):[chr]