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2
6
8
7
4
1
3
4
3
7
9
7
7
4
8
1
6
3
1
5
2
3
6
4
Classic Sudoku · Page 18
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Rules
Normal sudoku rules apply: fill every row, column, and 3×3 box with 1–9.
Normal
Corner
Centre
Colour
Pen
ABC
Digits
ABC
1
6
2
7
3
5
4
5
5
8
6
6
7
5
8
7
9
8
0
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