Number 5 is the only value possible in cell (4,8).

Number 1 is the only value possible in cell (4,7).

Number 9 is the only value possible in cell (5,7).

Number 8 is the only value possible in cell (6,9).

For column 2, Number 6 is only possible in cell (2,7)

For row 2, number 5 is only possible in cell (3,2)

For box 7, candidates for 5 are all in row 9, so you can remove candidates from other blocks.

For box 2, candidates for 6 are all in column 6, so you can remove candidates from other blocks.

For box 1, candidates for 3 are all in row 3, so you can remove candidates from other blocks.

Candidates for 7 in boxes 1 and 2 force the candidates in box 3 to be in the remaining line.

Naked Pair for 1 and 6, can remove these as candidates from other cells.

For box 5, candidates for 1 are all in column 5, so you can remove candidates from other blocks.

Hidden Pair for 4 and 6, can remove other candidates from these cells.

For column 3, Number 8 is only possible in cell (3,5)

For row 5, number 6 is only possible in cell (4,5)

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

Number 6 is the only value possible in cell (3,4).

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

Number 7 is the only value possible in cell (4,1).

Number 8 is the only value possible in cell (5,3).

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

Number 3 is the only value possible in cell (5,4).

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

Number 5 is the only value possible in cell (6,4).

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

Number 2 is the only value possible in cell (8,1).

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

Number 9 is the only value possible in cell (6,5).

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

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

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

Number 1 is the only value possible in cell (5,6).

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

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

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

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

Number 1 is the only value possible in cell (9,2).

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

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

Number 9 is the only value possible in cell (2,1).

Number 8 is the only value possible in cell (7,1).

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

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

Number 1 is the only value possible in cell (6,3).

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

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

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

Number 7 is the only value possible in cell (2,8).

Number 4 is the only value possible in cell (2,3).

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

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

Number 5 is the only value possible in cell (2,6).

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

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

Number 2 is the only value possible in cell (7,8).

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

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

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

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

Number 1 is the only value possible in cell (2,9).

Number 4 is the only value possible in cell (3,9).

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