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Daily Sudoku Answer 



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Aug 10 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s291387



Reasoning 



R5C5 is the only square in row 5 that can be <2>

R5C6 is the only square in row 5 that can be <8>

R5C4 is the only square in row 5 that can be <3>

R6C5 is the only square in row 6 that can be <4>

R7C3 is the only square in row 7 that can be <2>

R1C3 can only be <8>

R3C7 is the only square in row 3 that can be <8>

R7C9 is the only square in row 7 that can be <4>

R5C7 is the only square in column 7 that can be <7>

R5C3 can only be <6>

R5C1 can only be <5>

R5C9 can only be <1>

Squares R4C2 and R6C2 in column 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <79>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R2C2 - removing <7> from <127> leaving <12>

R8C2 - removing <79> from <15789> leaving <158>

R9C2 - removing <79> from <15789> leaving <158>

Squares R1C2 and R2C2 in column 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <12>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R8C2 - removing <1> from <158> leaving <58>

R9C2 - removing <1> from <158> leaving <58>

Squares R4C8 and R6C8 in column 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <56>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R1C8 - removing <56> from <12456> leaving <124>

R2C8 - removing <6> from <1246> leaving <124>

R8C8 - removing <5> from <158> leaving <18>

R9C8 - removing <56> from <1568> leaving <18>

Squares R8C8 and R9C8 in column 8 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.

R1C8 - removing <1> from <124> leaving <24>

R2C8 - removing <1> from <124> leaving <24>

R1C7 is the only square in block 3 that can be <1>

R1C2 can only be <2>

R7C7 can only be <6>

R9C7 can only be <5>

R9C2 can only be <8>

R1C8 can only be <4>

R2C2 can only be <1>

R1C1 can only be <3>

R2C8 can only be <2>

R2C4 can only be <6>

R2C6 can only be <3>

R2C9 can only be <7>

R1C5 can only be <5>

R2C1 can only be <4>

R3C9 can only be <5>

R3C5 can only be <1>

R1C9 can only be <6>

R9C8 can only be <1>

R8C2 can only be <5>

R8C8 can only be <8>

R7C5 can only be <9>

R7C1 can only be <1>

R4C5 can only be <7>

R8C4 can only be <1>

R8C6 can only be <7>

R8C1 can only be <9>

R6C6 can only be <6>

R9C5 can only be <3>

R9C9 can only be <9>

R9C3 can only be <7>

R8C9 can only be <3>

R4C2 can only be <9>

R6C8 can only be <5>

R4C6 can only be <1>

R6C4 can only be <9>

R4C8 can only be <6>

R3C1 can only be <7>

R9C1 can only be <6>

R3C3 can only be <9>

R4C4 can only be <5>

R6C2 can only be <7>



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