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I have constructed the following hexadecimal 16×16 sudoku in this site:

Hex

The rules are like 9×9 sudoku tables (each number and letter should repeat only one time in each column, row, and 4×4 partitions).

What are the largest and smallest numbers in base 10 after completion of the table? Here you can go from top to the bottom or vice-versa in each column, from left to right or vice-versa in each row. That is, reading each row and column in the completed sudoku as a 16-digit hexadecimal number, which row/column would have the highest and lowest value?

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The highest value is:

FC30976D4581B2AE which is the 8th column from the left (from top to bottom) and its decimal equal is $18,172,190,992,013,308,590$

The lowest value is:

031F82DACB46795E which is the 7th column from right (and from bottom to the top) and its decimal equal is $225,042,382,616,688,990$.

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