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Step by step example of solving a sudoku puzzle
Step 51   Let’s look at the bottom middle box of the sudoku game (where GHI cross MNO). We can’t put a 2 in cell IO because there’s a 2 in cell IQ. Therefore, the number 2 must be in cell HO.

 
J K L M N O P Q
A
B
C
D
E
F
G
H
I
5 4 2
7 3 9
6 8 1
1 9 7
4 8 6
2 5 3
3 6 8
1 5 2
4 9 7
2 6 4
1 5 7
8 9 3
7 3 9
6 2 8
5 1 4
5 8 1
9 3 4
2 7 6
3 2 5
9 7 8
4 1 6
8 6 1
3 4 Step51: 2
9 7  
7 4 9
6 1 5
8 2 3



   
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