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Daily Sudoku Answer 



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Nov 18 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s036826



Reasoning 



R5C7 can only be <7>

R5C9 can only be <3>

R2C8 is the only square in row 2 that can be <2>

R2C3 is the only square in row 2 that can be <6>

R7C3 can only be <9>

R7C2 can only be <2>

R5C3 can only be <4>

R5C1 can only be <9>

R5C5 can only be <2>

R4C3 is the only square in row 4 that can be <8>

R9C3 can only be <1>

R8C2 can only be <4>

R6C8 is the only square in row 6 that can be <4>

R9C7 is the only square in row 9 that can be <2>

R8C4 is the only square in row 8 that can be <2>

R9C5 is the only square in row 9 that can be <4>

R2C4 is the only square in row 2 that can be <4>

R1C1 is the only square in row 1 that can be <4>

Squares R8C1 and R8C7 in row 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <68>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R8C5 - removing <6> from <1367> leaving <137>

R7C5 is the only square in column 5 that can be <6>

Squares R9C6 and R9C8 in row 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <35>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R9C9 - removing <5> from <568> leaving <68>

Intersection of row 3 with block 2. The value <3> only appears in one or more of squares R3C4, R3C5 and R3C6 of row 3. These squares are the ones that intersect with block 2. Thus, the other (non-intersecting) squares of block 2 cannot contain this value.

R1C4 - removing <3> from <357> leaving <57>

R1C5 - removing <3> from <135789> leaving <15789>

R4C4 is the only square in column 4 that can be <3>

R4C2 can only be <1>

R2C2 can only be <9>

R6C1 can only be <7>

R6C3 can only be <3>

R3C1 can only be <1>

R1C3 can only be <7>

R1C4 can only be <5>

R7C4 can only be <7>

R1C2 can only be <3>

R7C9 can only be <5>

R4C9 can only be <6>

R9C8 can only be <3>

R9C6 can only be <5>

R8C8 can only be <7>

R4C7 can only be <5>

R9C9 can only be <8>

R3C8 can only be <5>

R6C6 can only be <9>

R9C1 can only be <6>

R1C9 can only be <1>

R8C7 can only be <6>

R2C9 can only be <7>

R2C6 can only be <1>

R3C7 can only be <9>

R4C5 can only be <7>

R6C7 can only be <1>

R6C5 can only be <5>

R8C1 can only be <8>

R2C5 can only be <8>

R8C6 can only be <3>

R1C7 can only be <8>

R3C5 can only be <3>

R8C5 can only be <1>

R3C6 can only be <7>

R1C5 can only be <9>



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