Step-by-Step Solution

for Wednesday 10th September Tricky

For box 4, Number 9 is only possible in cell (3,5)

Single Position

For box 4, Number 1 is only possible in cell (2,6)

Single Position

For row 3, number 2 is only possible in cell (8,3)

Single Position

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

Single Position

For row 6, number 2 is only possible in cell (9,6)

Single Position

For row 9, number 2 is only possible in cell (2,9)

Single Position

For box 2, candidates for 8 are all in row 2, so you can remove candidates from other blocks.

Candidate Lines

For box 6, candidates for 8 are all in column 8, so you can remove candidates from other blocks.

Candidate Lines

Candidates for 8 in boxes 4 and 6 force the candidates in box 5 to be in the remaining line.

Multiple Lines

For row 6, number 8 is only possible in cell (8,6)

Single Position

Naked Pair for 1 and 3, can remove these as candidates from other cells.

Naked Pairs

For row 6, number 3 is only possible in cell (5,6)

Single Position

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

Single Position

For column 5, Number 9 is only possible in cell (5,3)

Single Position

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

Single Position

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

Single Position

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

Single Position

For row 1, number 4 is only possible in cell (1,1)

Single Position

For row 1, number 9 is only possible in cell (8,1)

Single Position

For row 2, number 9 is only possible in cell (1,2)

Single Position

For row 9, number 9 is only possible in cell (7,9)

Single Position

For box 3, Number 3 is only possible in cell (7,2)

Single Position

For column 7, Number 5 is only possible in cell (7,7)

Single Position

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (6,8).

Single Candidate

For row 7, number 4 is only possible in cell (8,7)

Single Position

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

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (7,3).

Single Candidate

Number 5 is the only value possible in cell (9,2).

Single Candidate

Number 7 is the only value possible in cell (9,1).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 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 4 is the only value possible in cell (7,6).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (2,7).

Single Candidate

Number 7 is the only value possible in cell (2,4).

Single Candidate

Number 8 is the only value possible in cell (2,3).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (1,8).

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (9,8).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (1,9).

Single Candidate

Number 1 is the only value possible in cell (4,9).

Single Candidate

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

Single Candidate

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

Single Candidate