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Daily Sudoku Answer 



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Nov 09 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s195269



Reasoning 



R6C9 is the only square in row 6 that can be <8>

R8C1 is the only square in column 1 that can be <8>

R9C1 is the only square in column 1 that can be <6>

R3C7 is the only square in column 7 that can be <2>

R5C8 is the only square in column 8 that can be <7>

R2C8 is the only square in column 8 that can be <8>

R4C9 is the only square in block 6 that can be <1>

Intersection of row 2 with block 1. The value <5> only appears in one or more of squares R2C1, R2C2 and R2C3 of row 2. These squares are the ones that intersect with block 1. Thus, the other (non-intersecting) squares of block 1 cannot contain this value.

R1C1 - removing <5> from <257> leaving <27>

R1C2 - removing <5> from <2357> leaving <237>

Intersection of row 3 with block 2. The values <68> 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 these values.

R1C4 - removing <6> from <3569> leaving <359>

R1C6 - removing <6> from <4569> leaving <459>

Intersection of row 8 with block 9. The value <6> only appears in one or more of squares R8C7, R8C8 and R8C9 of row 8. These squares are the ones that intersect with block 9. Thus, the other (non-intersecting) squares of block 9 cannot contain this value.

R7C7 - removing <6> from <56> leaving <5>

R4C1 is the only square in row 4 that can be <5>

R2C1 can only be <1>

R3C3 can only be <3>

R2C2 can only be <5>

R5C9 is the only square in row 5 that can be <5>

R5C7 is the only square in row 5 that can be <6>

R6C3 is the only square in row 6 that can be <1>

R5C2 is the only square in column 2 that can be <3>

R5C3 is the only square in block 4 that can be <9>

R7C3 can only be <7>

R4C3 can only be <2>

R4C6 can only be <4>

R5C1 can only be <4>

R4C7 can only be <3>

R6C6 can only be <9>

R5C5 can only be <2>

R4C4 can only be <7>

R6C7 can only be <4>

R6C1 can only be <7>

R1C1 can only be <2>

R6C4 can only be <3>

R1C6 can only be <5>

R1C2 can only be <7>

R9C6 can only be <2>

R1C4 can only be <9>

R9C2 can only be <9>

R7C4 can only be <6>

R7C6 can only be <8>

R3C4 can only be <1>

R7C5 can only be <9>

R3C6 can only be <6>

R9C9 can only be <3>

R8C2 can only be <2>

R9C8 can only be <1>

R2C9 can only be <4>

R2C5 can only be <3>

R1C9 can only be <6>

R3C5 can only be <8>

R9C4 can only be <5>

R8C5 can only be <1>

R8C8 can only be <6>

R9C5 can only be <7>

R8C9 can only be <9>

R1C8 can only be <3>

R1C5 can only be <4>



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