Expert sudoku — printable sheet 19
Four expert puzzles, one page. Answer key for this sheet.back to the puzzles.
8
9
3
5
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7
2
1
6
6
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5
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8
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1
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9
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5
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6
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9
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7
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8
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6
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9
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7
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9
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9
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5
7
8
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8
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9
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6
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1
4
3
1
9
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8
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2
7
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6
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9
5
4
7
2
5
4
9
1
2
7
8
6
3
8
2
7
6
4
3
1
9
5
2
5
8
3
1
6
7
4
9
3
9
6
7
5
4
2
1
8
7
1
4
2
8
9
3
5
6
Sheet 19 of 20 · all expert sheets