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Daily Sudoku Answer 



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Feb 27 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s330026



Reasoning 



R3C4 can only be <3>

R7C4 can only be <4>

R1C5 can only be <4>

R4C6 is the only square in row 4 that can be <4>

R4C4 is the only square in row 4 that can be <8>

R5C5 is the only square in row 5 that can be <3>

R5C6 is the only square in row 5 that can be <6>

R3C6 can only be <9>

R2C5 can only be <6>

R3C8 is the only square in row 3 that can be <6>

R7C2 is the only square in row 7 that can be <6>

R8C3 is the only square in column 3 that can be <4>

R8C7 is the only square in column 7 that can be <8>

R5C8 is the only square in column 8 that can be <9>

Squares R5C4 and R6C4 in block 5 form a simple naked pair. These 2 squares both contain the 2 possibilities <27>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R4C5 - removing <2> from <259> leaving <59>

R6C5 - removing <2> from <1259> leaving <159>

Intersection of row 5 with block 4. The value <1> only appears in one or more of squares R5C1, R5C2 and R5C3 of row 5. These squares are the ones that intersect with block 4. Thus, the other (non-intersecting) squares of block 4 cannot contain this value.

R6C3 - removing <1> from <129> leaving <29>

Squares R4C3 and R6C3 in column 3 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 column.

R2C3 - removing <29> from <2379> leaving <37>

R3C3 - removing <2> from <12> leaving <1>

R1C8 is the only square in row 1 that can be <1>

R7C7 is the only square in column 7 that can be <1>

R7C6 can only be <5>

R7C8 can only be <7>

R6C6 can only be <1>

R7C3 can only be <3>

R2C3 can only be <7>

R1C1 can only be <8>

R1C2 can only be <3>

R1C9 can only be <7>

R5C4 is the only square in row 5 that can be <7>

R6C4 can only be <2>

R6C3 can only be <9>

R6C5 can only be <5>

R4C3 can only be <2>

R6C7 can only be <7>

R4C5 can only be <9>

R4C7 can only be <5>

R3C7 can only be <2>

R5C9 can only be <2>

R9C9 can only be <4>

R9C8 can only be <2>

R3C2 can only be <5>

R2C7 can only be <3>

R9C5 can only be <1>

R8C8 can only be <5>

R2C9 can only be <5>

R2C1 can only be <9>

R2C8 can only be <4>

R8C9 can only be <3>

R5C2 can only be <1>

R5C1 can only be <5>

R8C2 can only be <9>

R9C2 can only be <8>

R8C1 can only be <1>

R2C2 can only be <2>

R9C1 can only be <7>

R8C5 can only be <2>



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