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Tough Sudoku for 15/January/2020

                 
                 
                 
                 
                 
                 
                 
                 
                 

Choose a number, and place it in the grid above.

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Submitted by: Gath

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Basics to 49
1. (9=46)c89 - (6)b89 = (6-9)b2 = (9)a2 => -9a7 ; UP = 81
15/Jan/20 12:35 AM
Beautiful white sand beach.
15/Jan/20 6:38 AM
Interesting photo Lovely beach
15/Jan/20 6:58 AM
very gray day
15/Jan/20 7:42 AM
1. Unique possibilities to 49.
2. Whether b5=78;a7=78;UP81.
15/Jan/20 7:46 AM
Basics to 49
1.if i9=4 =>i6=b5=a7=7 =>e7=h7=8 =>i1=4 solve
15/Jan/20 6:44 PM
16:37
19/Jan/20 8:34 AM
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