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    This is just feedback, I might try again. The question is slightly vaguely phrased. I spent a long time working on it, only to discover that the description of roman numerals on wikipedia is subtly different. The description of roman numerals on wikipedia is that they are subtractive from the right, rather than additive from the left. This results in a difference in the number 789 ('DCCXXCVIIII' obtained by my program that works correctly on the two asserts in the test run but not this number versus the correct number given by wikipedia which is DCCLXXXIX.) It's unfortunate that I spent so much time going down the wrong road before realizing that the actual description of roman numerals is a little bit different. I realize there isn't much space to describe it. Thanks!

    S Dorsher

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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    This kata is fun because it leaves room for clever mathematically solutions. I particularly enjoy those, being a numerical programmer.