# There is a case I think should be True but the answer is False. Could you tell me why?

• below is the outcome from my judge:

Input: ["..4...63.",".........","5......9.","...56....","4.3.....1","...7.....","...5.....",".........","........."]
Output: true
Expected: false

Does anybody know why this input should be false? Could you tell me?

• I meet the same problem.

. . 4 . . . 6 3 .

. . . . . . . . .

5 . . . . . . 9 .

. . . 5 6 . . . .

4 . 3 . . . . . 1

. . . 7 . . . . .

. . . 5 . . . . .

. . . . . . . . .

. . . . . . . . .

• ``````. . 4 . . . 6 3 .

. . . . . . . . .

5 . . . . . . 9 .

. . .[5]6 . . . .

4 . 3 . . . . . 1

. . . 7 . . . . .

. . .[5]. . . . .

. . . . . . . . .

. . . . . . . . .
``````

There are two 5 in the same column.

• Yes, you are right, I missed it.
Thank you.

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