Step-by-Step Solution

for Tuesday 12th August Tricky

For row 2, number 1 is only possible in cell (5,2)

Single Position

For row 3, number 1 is only possible in cell (3,3)

Single Position

For row 5, number 1 is only possible in cell (6,5)

Single Position

For row 7, number 1 is only possible in cell (7,7)

Single Position

For box 6, Number 3 is only possible in cell (7,6)

Single Position

For row 6, number 4 is only possible in cell (9,6)

Single Position

For box 5, candidates for 9 are all in row 4, so you can remove candidates from other blocks.

Candidate Lines

For box 7, candidates for 2 are all in row 7, so you can remove candidates from other blocks.

Candidate Lines

For column 6, Number 2 is only possible in cell (6,9)

Single Position

For box 1, candidates for 4 are all in column 2, so you can remove candidates from other blocks.

Candidate Lines

For box 3, candidates for 7 are all in row 3, so you can remove candidates from other blocks.

Candidate Lines

For box 4, candidates for 7 are all in row 5, so you can remove candidates from other blocks.

Candidate Lines

Candidates for 9 in boxes 1 and 2 force the candidates in box 3 to be in the remaining line.

Multiple Lines

Number 5 is the only value possible in cell (7,1).

Single Candidate

Number 7 is the only value possible in cell (9,3).

Single Candidate

For column 9, Number 9 is only possible in cell (9,9)

Single Position

For row 2, number 5 is only possible in cell (4,2)

Single Position

For row 3, number 5 is only possible in cell (1,3)

Single Position

Number 2 is the only value possible in cell (1,6).

Single Candidate

Number 7 is the only value possible in cell (2,5).

Single Candidate

Number 5 is the only value possible in cell (3,5).

Single Candidate

Number 9 is the only value possible in cell (8,5).

Single Candidate

Number 8 is the only value possible in cell (7,5).

Single Candidate

Number 5 is the only value possible in cell (9,4).

Single Candidate

Number 2 is the only value possible in cell (4,5).

Single Candidate

Number 7 is the only value possible in cell (4,6).

Single Candidate

Number 5 is the only value possible in cell (5,6).

Single Candidate

Number 8 is the only value possible in cell (9,7).

Single Candidate

Number 4 is the only value possible in cell (7,9).

Single Candidate

Number 9 is the only value possible in cell (7,2).

Single Candidate

Number 3 is the only value possible in cell (8,9).

Single Candidate

Number 6 is the only value possible in cell (3,9).

Single Candidate

Number 3 is the only value possible in cell (3,4).

Single Candidate

Number 7 is the only value possible in cell (3,1).

Single Candidate

Number 6 is the only value possible in cell (1,4).

Single Candidate

Number 3 is the only value possible in cell (1,7).

Single Candidate

Number 9 is the only value possible in cell (1,1).

Single Candidate

Number 2 is the only value possible in cell (2,7).

Single Candidate

Number 6 is the only value possible in cell (4,7).

Single Candidate

Number 3 is the only value possible in cell (4,1).

Single Candidate

Number 6 is the only value possible in cell (2,1).

Single Candidate

Number 2 is the only value possible in cell (5,1).

Single Candidate

Number 4 is the only value possible in cell (2,2).

Single Candidate

Number 6 is the only value possible in cell (8,2).

Single Candidate

Number 3 is the only value possible in cell (2,3).

Single Candidate

Number 8 is the only value possible in cell (4,3).

Single Candidate

Number 9 is the only value possible in cell (6,3).

Single Candidate

Number 6 is the only value possible in cell (5,3).

Single Candidate

Number 4 is the only value possible in cell (8,3).

Single Candidate

Number 8 is the only value possible in cell (6,4).

Single Candidate

Number 9 is the only value possible in cell (5,4).

Single Candidate

Number 5 is the only value possible in cell (6,7).

Single Candidate

Number 7 is the only value possible in cell (8,7).

Single Candidate

Number 4 is the only value possible in cell (5,7).

Single Candidate

Number 8 is the only value possible in cell (2,8).

Single Candidate

Number 4 is the only value possible in cell (3,8).

Single Candidate

Number 7 is the only value possible in cell (5,8).

Single Candidate

Number 3 is the only value possible in cell (6,8).

Single Candidate

Number 5 is the only value possible in cell (8,8).

Single Candidate

Number 8 is the only value possible in cell (5,9).

Single Candidate