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    Hi,
    Thanks for the Kata.
    The description (as stated below) is indeed a bit... complicated. Took me quite some time to understand I must retreive two ordered columns with an index attached.
    Maybe a good idea to verify in the samples test cases at least if the first column of the first row == 1 ? In my opinion it would help to understand what's expected.

    Nathan

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    Thanks for the Kata !

    Got myself wrong on it, thought that the first sum and count were only for both employees, not the overall figures.
    Passed anyway, as the numbers with and without that extra 'where' are the same.

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