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Daily Sudoku Answer 



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Jun 21 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s021639



Reasoning 



R6C5 can only be <1>

R1C5 is the only square in row 1 that can be <6>

R2C8 is the only square in row 2 that can be <7>

R2C9 is the only square in row 2 that can be <4>

R5C5 is the only square in row 5 that can be <4>

R4C5 can only be <3>

R4C2 is the only square in row 4 that can be <4>

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

R5C7 is the only square in row 5 that can be <3>

R7C8 is the only square in row 7 that can be <4>

R6C4 is the only square in column 4 that can be <7>

R4C6 can only be <8>

R4C9 can only be <9>

R4C7 can only be <7>

R2C5 is the only square in column 5 that can be <5>

R8C8 is the only square in column 8 that can be <3>

Squares R8C5 and R9C5 in block 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <29>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R7C4 - removing <9> from <139> leaving <13>

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.

R2C4 - removing <3> from <1389> leaving <189>

Intersection of row 7 with block 7. The values <59> only appears in one or more of squares R7C1, R7C2 and R7C3 of row 7. These squares are the ones that intersect with block 7. Thus, the other (non-intersecting) squares of block 7 cannot contain these values.

R8C1 - removing <9> from <12679> leaving <1267>

R8C2 - removing <9> from <269> leaving <26>

R9C2 - removing <59> from <259> leaving <2>

R9C3 - removing <59> from <13579> leaving <137>

R9C5 can only be <9>

R8C2 can only be <6>

R8C5 can only be <2>

R7C6 is the only square in row 7 that can be <6>

R8C7 is the only square in row 8 that can be <9>

R8C9 is the only square in row 8 that can be <8>

R5C9 can only be <6>

R5C1 can only be <7>

R6C9 can only be <2>

R6C8 can only be <8>

R5C3 can only be <8>

R8C1 can only be <1>

R6C3 can only be <9>

R6C1 can only be <6>

R8C6 can only be <7>

R3C8 is the only square in row 3 that can be <2>

R1C8 can only be <9>

R1C1 can only be <2>

R7C4 is the only square in row 7 that can be <1>

R1C4 can only be <8>

R9C6 can only be <3>

R9C3 can only be <7>

R3C6 can only be <1>

R2C4 can only be <9>

R2C1 can only be <3>

R2C2 can only be <8>

R3C4 can only be <3>

R3C9 can only be <5>

R3C7 can only be <8>

R9C9 can only be <1>

R1C7 can only be <1>

R9C7 can only be <5>

R1C3 can only be <5>

R2C3 can only be <1>

R7C1 can only be <9>

R3C2 can only be <9>

R7C2 can only be <5>

R7C3 can only be <3>



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