The goal for this game is to fill in the blanks with the right numbers, so that every 3x3 grid, every row, and every column have the numbers 1-9.
9 6 - | - 5 3 | 4 - -
8 - 5 | 1 - - | - - 3
- 4 - | - - - | 7 - 9
-----------------------------
- 9 - | - - 4 | 1 - -
- 5 - | 8 7 2 | - 9 -
- - 6 | 9 - - | - 7 -
-----------------------------
4 - 7 | 3 9 - | - 1 -
5 - - | - - 7 | 6 - 8
- - 3 | - - - | - 4 7
9 6 - | - 5 3 | 4 - -
8 - 5 | 1 - - | - - 3
- 4 - | - - - | 7 - 9
-----------------------------
- 9 - | - - 4 | 1 - -
- 5 - | 8 7 2 | - 9 -
- - 6 | 9 - - | - 7 -
-----------------------------
4 - 7 | 3 9 - | - 1 -
5 - - | - - 7 | 6 - 8
- - 3 | - - - | - 4 7

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