(chunk-next s)
(let [chunked-cons (seq (range 1 42))]
(class chunked-cons)
;; => clojure.lang.ChunkedCons
;; Returns the next chunk when there are more than 32 elements
;; in the ChunkedCons.
(chunk-next chunked-cons)
;; => (33 34 35 36 37 38 39 40 41)
)