What is a Sudoku business card?

Yesterday, I saw a female laser searching for male gods on the Internet. The puzzle is a digital card. If you are interested, try to crack it.

I heard that it was Bai fumei (Weibo is @ Mu huakai 1990) who met a man while traveling in Guilin. The man left such a digital card and left. Both of them work in Shenzhen. Bai fumei fell in love with the man at first sight, but he did not know how to crack the digital card.

Go back to Shenzhen and ask for help at Diwang Tower on June 15th to crack this Sudoku card.

The business cards of the DT family are as follows: 1406969719 simple reasoning shows that the numbers are fixed: the boxes of the 1406969719 6 Yellow backgrounds indicate that these 6 numbers are fixed, then fill in the uncertain boxes with possible numbers, for example, 1406969719, we can only use the blind test method to slowly eliminate the problem (it took about one hour). I don't know whether there are good people or not, there is a better way.

In short, the final answer is (If yes): 1406969719 now the question is coming !!!!!!!!!!!! How can we solve the problem of a person's phone number (name )?!!!!

There is no number 0 in the sudoku, so the man's phone number should not include 0. But there are still a bunch of numbers with no rules !!! Is this a secondary encryption business card ?! How can I solve the problem by solving the sudoku problem ?!!! What should I do next? Continue !!!

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