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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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  • $\begingroup$ Hi! Could you please clarify further what the "largest and smallest numbers" refers to in this case? My interpretation would be something along the line of "reading each row, column, and diagonal in the completed sudoku as a 16-digit hexadecimal number, which row/column/diagonal would have the highest and lowest value", but if that's not the case then feel free to correct me! $\endgroup$
    – Kusane Hexaku
    Sep 6 at 17:40
  • $\begingroup$ Hi. You are right. $\endgroup$
    – Etack Sxchange
    Sep 6 at 17:57
  • $\begingroup$ I have erased diagonal part because I remembered in each diagonal the numbers and letters can be duplicate. $\endgroup$
    – Etack Sxchange
    Sep 6 at 17:59

1 Answer 1

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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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