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Daily Sudoku Answer 



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Jun 16 - Very Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s256967



Reasoning 



R4C7 can only be <9>

R6C3 can only be <2>

R6C7 can only be <6>

R6C4 can only be <4>

R6C5 can only be <1>

R6C6 can only be <9>

R5C9 can only be <2>

R5C8 can only be <8>

R1C5 is the only square in row 1 that can be <2>

R2C9 is the only square in row 2 that can be <6>

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

R5C2 is the only square in row 5 that can be <9>

R8C9 is the only square in row 8 that can be <9>

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

R8C1 is the only square in row 8 that can be <2>

R5C4 is the only square in column 4 that can be <5>

Squares R7C4 and R7C6 in row 7 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 row.

R7C1 - removing <7> from <1378> leaving <138>

R7C3 - removing <7> from <3478> leaving <348>

R8C2 is the only square in block 7 that can be <7>

Squares R2C2 and R2C8 in row 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <34>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R2C1 - removing <3> from <378> leaving <78>

R2C5 - removing <3> from <378> leaving <78>

R3C6 is the only square in block 2 that can be <3>

Intersection of column 8 with block 3. The value <3> only appears in one or more of squares R1C8, R2C8 and R3C8 of column 8. These squares are the ones that intersect with block 3. Thus, the other (non-intersecting) squares of block 3 cannot contain this value.

R1C7 - removing <3> from <1357> leaving <157>

Squares R1C2 and R1C7 in row 1 and R9C2 and R9C7 in row 9 form a Simple X-Wing pattern on possibility <1>. All other instances of this possibility in columns 2 and 7 can be removed.

R3C7 - removing <1> from <157> leaving <57>

R7C7 - removing <1> from <13> leaving <3>

R5C1 is the only square in column 1 that can be <3>

R5C5 can only be <7>

R4C3 can only be <7>

R2C5 can only be <8>

R4C6 can only be <2>

R2C1 can only be <7>

R4C5 can only be <3>

R3C4 can only be <7>

R3C7 can only be <5>

R7C4 can only be <2>

R9C7 can only be <1>

R1C8 can only be <3>

R4C4 can only be <8>

R7C6 can only be <7>

R1C7 can only be <7>

R7C9 can only be <4>

R1C2 can only be <1>

R1C3 can only be <5>

R2C8 can only be <4>

R2C2 can only be <3>

R8C8 can only be <5>

R3C9 can only be <1>

R3C1 can only be <8>

R7C3 can only be <8>

R8C5 can only be <4>

R9C2 can only be <4>

R3C3 can only be <4>

R7C1 can only be <1>

R9C3 can only be <3>

R9C5 can only be <5>



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