Please fix the input example


#1

As amazing as the problem is, it would be immensely helpful if the typo in the example was fixed.

It took me a while and searching online for the real question, so till the question typo is fixed (I have suggested the edit, Anshuman, please fix it), I think this will be helpful.

Consider the input to have the 4th type of box as [10, 12, 32] instead of [1, 2, 3] in the question.

Input 1:
    A = [   [4, 6, 7]
            [1, 2, 3]
            [4, 5, 6]
            [10, 12, 32]   ]

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