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Daily Sudoku Answer 



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Jun 30 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s155781



Reasoning 



R3C6 is the only square in row 3 that can be <7>

R5C8 is the only square in row 5 that can be <5>

R5C3 is the only square in row 5 that can be <7>

R5C2 is the only square in row 5 that can be <8>

R5C7 is the only square in row 5 that can be <9>

R4C1 is the only square in row 4 that can be <9>

R6C5 is the only square in row 6 that can be <4>

R6C7 is the only square in row 6 that can be <2>

R4C5 is the only square in row 4 that can be <2>

R7C8 is the only square in row 7 that can be <9>

R7C2 is the only square in row 7 that can be <2>

R8C9 is the only square in row 8 that can be <7>

R9C8 is the only square in row 9 that can be <2>

Squares R2C1, R2C3 and R2C7 in row 2 form a simple naked triplet. These 3 squares all contain the 3 possibilities <168>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R2C5 - removing <68> from <5689> leaving <59>

R2C9 - removing <16> from <1569> leaving <59>

Squares R1C8 and R3C8 in block 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <36>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R1C9 - removing <36> from <3569> leaving <59>

R2C7 - removing <6> from <168> leaving <18>

R3C7 - removing <36> from <1368> leaving <18>

Squares R2C7 and R3C7 in column 7 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 column.

R4C7 - removing <1> from <136> leaving <36>

Intersection of row 2 with block 1. The value <6> 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 <6> from <3468> leaving <348>

R1C2 - removing <6> from <69> leaving <9>

R3C2 - removing <6> from <169> leaving <19>

R3C3 - removing <6> from <13468> leaving <1348>

R1C9 can only be <5>

R3C2 can only be <1>

R2C9 can only be <9>

R2C5 can only be <5>

R3C7 can only be <8>

R9C2 can only be <6>

R2C7 can only be <1>

R9C9 can only be <3>

R3C5 is the only square in row 3 that can be <9>

R8C3 is the only square in row 8 that can be <5>

R7C4 is the only square in row 7 that can be <5>

R7C5 is the only square in row 7 that can be <3>

R5C5 can only be <6>

R5C6 can only be <1>

R8C5 can only be <8>

R5C4 can only be <3>

R8C1 can only be <4>

R9C6 can only be <4>

R9C4 can only be <1>

R7C6 can only be <6>

R7C7 can only be <4>

R1C6 can only be <8>

R7C3 can only be <1>

R8C7 can only be <6>

R4C7 can only be <3>

R9C1 can only be <8>

R1C1 can only be <3>

R4C3 can only be <6>

R2C1 can only be <6>

R1C8 can only be <6>

R3C3 can only be <4>

R1C4 can only be <4>

R3C8 can only be <3>

R2C3 can only be <8>

R6C1 can only be <1>

R3C4 can only be <6>

R4C9 can only be <1>

R6C3 can only be <3>

R6C9 can only be <6>



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