codefights arcade intro task 59
spiralNumbers https://
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sudoku https://
codefights arcade intro task 58
messageFromBinaryCode https://
codefights arcade intro task 1
add https://
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knapsackLight https://
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chessKnight https://
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lineEncoding https://
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isLucky https://
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longestDigitsPrefix https://
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fileNaming https://
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differentSquares https://
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arrayChange https://
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palindromeRearranging https://