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(require '[clojure.string :as str])
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(->> (str/split-lines (slurp "./in"))
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(map
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(fn [line]
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(as-> line $
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(str/split $ #" ")
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(subvec $ 11 15)
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(filter #(.contains [2 3 4 7] (count %)) $)
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(count $)
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)))
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(apply +)
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(println)
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)
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