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Daily Sudoku Answer 



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Feb 13 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s032905



Reasoning 



R2C4 can only be <2>

R2C8 is the only square in row 2 that can be <4>

R2C9 is the only square in row 2 that can be <3>

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

R3C9 is the only square in row 3 that can be <6>

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

R7C1 is the only square in row 7 that can be <4>

R7C5 is the only square in row 7 that can be <8>

R7C3 is the only square in row 7 that can be <9>

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

R4C6 is the only square in row 4 that can be <6>

R9C6 can only be <2>

R8C6 can only be <9>

R8C5 can only be <7>

R9C4 can only be <6>

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

R9C2 is the only square in row 9 that can be <3>

R8C7 is the only square in row 8 that can be <3>

R4C7 can only be <2>

R9C1 is the only square in column 1 that can be <7>

R9C9 can only be <1>

R9C3 can only be <5>

R2C3 can only be <1>

R2C5 can only be <5>

R3C3 can only be <2>

Squares R3C1 and R3C2 in row 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <58>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R3C7 - removing <5> from <157> leaving <17>

R3C8 - removing <5> from <579> leaving <79>

Squares R4C1 and R4C2 in row 4 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 row.

R4C5 - removing <1> from <139> leaving <39>

Squares R6C4 and R6C9 in row 6 form a simple naked pair. These 2 squares both contain the 2 possibilities <78>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R6C2 - removing <8> from <1258> leaving <125>

R6C6 - removing <8> from <158> leaving <15>

R6C8 - removing <7> from <37> leaving <3>

R4C8 can only be <9>

R4C5 can only be <3>

R3C8 can only be <7>

R3C7 can only be <1>

R3C5 can only be <9>

R1C7 can only be <5>

R1C8 can only be <2>

R7C7 can only be <7>

R1C9 can only be <9>

R7C8 can only be <5>

R1C4 can only be <8>

R5C5 can only be <2>

R6C5 can only be <1>

R6C6 can only be <5>

R6C2 can only be <2>

R5C6 can only be <8>

R7C9 can only be <2>

R1C6 can only be <1>

R6C4 can only be <7>

R5C1 can only be <5>

R5C9 can only be <7>

R5C4 can only be <9>

R6C9 can only be <8>

R8C2 can only be <1>

R8C1 can only be <2>

R4C2 can only be <8>

R4C1 can only be <1>

R3C2 can only be <5>

R3C1 can only be <8>



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