Puzzle 9 - Sudoku
Fill out the following fields with the digits 1, 2, 3, 4, 5, 6, 7, 8, and 9 in such a way, that each digit appears exactly one times in every row, every column, and every 3X3 block. (No guessing involved when solving these.)
5
1
..
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.
.
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7
.
..
9
..
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6
8
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.
..
4
..
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.
3
1
9
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8
7
.
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3
.
.
.
9
..
..
6
.
4
..
..
..
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.
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4
7
2
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7
4
9
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.
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3
2
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..
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7
8
6