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Daily Sudoku Answer 



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May 20 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s116221



Reasoning 



R3C7 can only be <1>

R5C3 can only be <3>

R7C3 can only be <2>

R5C8 is the only square in row 5 that can be <7>

R8C2 is the only square in row 8 that can be <5>

R9C2 is the only square in row 9 that can be <7>

R1C1 is the only square in column 1 that can be <3>

R3C3 is the only square in column 3 that can be <7>

R3C5 is the only square in row 3 that can be <9>

Squares R8C1 and R9C1 in column 1 form a simple naked pair. These 2 squares both contain the 2 possibilities <18>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R5C1 - removing <18> from <1468> leaving <46>

Squares R3C4 and R4C4 in column 4 form a simple naked pair. These 2 squares both contain the 2 possibilities <36>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R2C4 - removing <6> from <2678> leaving <278>

R6C4 - removing <6> from <126> leaving <12>

R7C4 - removing <6> from <168> leaving <18>

R8C4 - removing <3> from <12378> leaving <1278>

Squares R8C9 and R9C9 in column 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <28>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R1C9 - removing <2> from <2569> leaving <569>

R2C9 - removing <2> from <2569> leaving <569>

R5C9 - removing <28> from <268> leaving <6>

R5C1 can only be <4>

R2C1 can only be <6>

R1C2 can only be <9>

R1C9 can only be <5>

R2C2 can only be <4>

R2C9 can only be <9>

R2C8 can only be <2>

R2C5 can only be <5>

R1C8 can only be <6>

R1C5 can only be <2>

R5C5 can only be <1>

R5C2 can only be <8>

R9C5 can only be <3>

R6C4 can only be <2>

R9C8 can only be <1>

R8C5 can only be <4>

R9C1 can only be <8>

R5C7 can only be <2>

R4C2 can only be <6>

R8C8 can only be <3>

R7C5 can only be <6>

R9C9 can only be <2>

R8C1 can only be <1>

R8C9 can only be <8>

R4C4 can only be <3>

R6C2 can only be <1>

R4C6 can only be <4>

R3C4 can only be <6>

R4C8 can only be <9>

R6C6 can only be <6>

R4C3 can only be <5>

R6C8 can only be <4>

R3C6 can only be <3>

R7C6 can only be <8>

R6C7 can only be <5>

R7C4 can only be <1>

R7C7 can only be <4>

R2C6 can only be <7>

R8C4 can only be <7>

R8C6 can only be <2>

R2C4 can only be <8>

R4C7 can only be <8>

R6C3 can only be <9>



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