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    The description reads '... The output should be two capital letters with a dot seperating them. ...'.

    One of the submission test cases, however, is "george clooney" with an expected response of "g.c".

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    One of the submission set of cases ([ .......... ], 7), 5) appears to have a second possible solution of 1 + 3 + 5 = 9 in addition to the official solution of 3 + 5 - 3 = 5. Both are 2 away from the target value of 7.