Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









For row 6, number 1 is only possible in cell (7,6)









For column 2, Number 1 is only possible in cell (2,7)









For column 3, Number 9 is only possible in cell (3,7)









For row 1, number 7 is only possible in cell (5,1)









For column 6, Number 7 is only possible in cell (6,4)









For box 7, Number 7 is only possible in cell (1,7)









For box 3, candidates for 9 are all in row 1, so you can remove candidates from other blocks.









For box 7, candidates for 6 are all in row 9, so you can remove candidates from other blocks.









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









For box 7, candidates for 2 are all in row 9, so you can remove candidates from other blocks.









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









For row 8, number 1 is only possible in cell (5,8)









For box 9, candidates for 2 are all in row 8, so you can remove candidates from other blocks.









Naked Pair for 7 and 8, can remove these as candidates from other cells.









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









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









Naked Pair for 3 and 6, can remove these as candidates from other cells.









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









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









For row 3, number 2 is only possible in cell (4,3)









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









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









For row 3, number 5 is only possible in cell (9,3)









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









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









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









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









Number 2 is the only value possible in cell (3,9).









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









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









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









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









Number 2 is the only value possible in cell (9,4).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 4 is the only value possible in cell (1,2).









Number 9 is the only value possible in cell (4,8).









Number 8 is the only value possible in cell (4,2).









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









Number 9 is the only value possible in cell (6,2).









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









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









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









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









Number 6 is the only value possible in cell (1,9).









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









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