Problem 44401. Vertical matrix sort

x = 8  9  3  9
    9  6  5  2
    2  1  9  9

y = 2  1  3  2
    8  6  5  9
    9  9  9  9
    9  9  9  9
    8  6  5  9
    2  1  3  2

Solution Comments

Problem Recent Solvers341

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