. 3 . | . 2 . | . . 9
. . 6 | . . . | . . .
-------+-------+------
7 . 4 | . . . | . . .
. 8 . | . . . | . . .
. . . | . 9 . | . 1 .
-------+-------+------
. . . | 1 . . | . .
. 2 . | . . 7 | . . .
6 . 5| . . . | 8 . 7
What's wrong with it? I made it but, I even can't solve it
