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Daily Sudoku Answer 



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Jan 07 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s004813



Reasoning 



R8C8 can only be <7>

R7C8 can only be <9>

R5C8 can only be <4>

R4C7 can only be <9>

R6C7 can only be <1>

R5C9 can only be <8>

R5C2 can only be <6>

R5C1 can only be <9>

R3C3 is the only square in row 3 that can be <9>

R5C5 is the only square in row 5 that can be <1>

R9C9 is the only square in row 9 that can be <1>

R9C7 is the only square in row 9 that can be <6>

R3C7 is the only square in column 7 that can be <4>

Squares R3C1 and R3C8 in row 3 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 row.

R3C2 - removing <5> from <257> leaving <27>

R3C5 - removing <6> from <36> leaving <3>

R6C5 is the only square in column 5 that can be <6>

Squares R4C3 and R4C5 in row 4 form a simple naked pair. These 2 squares both contain the 2 possibilities <48>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R4C4 - removing <4> from <457> leaving <57>

R4C6 - removing <48> from <4578> leaving <57>

Squares R7C7 and R7C9 in row 7 form a simple naked pair. These 2 squares both contain the 2 possibilities <23>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R7C2 - removing <2> from <2578> leaving <578>

R7C3 - removing <23> from <23478> leaving <478>

R9C3 is the only square in column 3 that can be <3>

R1C3 is the only square in column 3 that can be <2>

R1C7 can only be <3>

R3C2 can only be <7>

R1C9 can only be <7>

R7C7 can only be <2>

R1C6 can only be <9>

R3C9 can only be <2>

R2C2 can only be <5>

R7C9 can only be <3>

R1C4 can only be <6>

R2C8 can only be <6>

R7C2 can only be <8>

R3C1 can only be <6>

R3C8 can only be <5>

R1C1 can only be <8>

R7C5 can only be <4>

R8C2 can only be <2>

R7C1 can only be <5>

R7C3 can only be <7>

R4C5 can only be <8>

R8C4 can only be <3>

R8C6 can only be <8>

R5C4 can only be <2>

R6C6 can only be <4>

R4C3 can only be <4>

R5C6 can only be <3>

R9C4 can only be <5>

R6C3 can only be <8>

R6C4 can only be <9>

R2C6 can only be <7>

R9C1 can only be <4>

R9C6 can only be <2>

R4C4 can only be <7>

R2C4 can only be <4>

R4C6 can only be <5>



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