A global 2D array Result of type INTEGER is used to store a list of exam candidate numbers together with their marks. The array contains 2000 elements, organised as 1000 rows and 2 columns. Column 1 contains the candidate number and column 2 contains the mark for the corresponding candidate. All elements contain valid exam result data. A procedure Sort() is needed to sort Result into ascending order of mark using an efficient bubble sort algorithm. Write pseudocode for the procedure Sort().
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