Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For row 2, number 7 is only possible in cell (3,2)









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









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









For row 9, number 3 is only possible in cell (6,9)









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









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









For box 5, Number 9 is only possible in cell (6,6)









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









For row 8, number 3 is only possible in cell (7,8)









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









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









For row 5, number 4 is only possible in cell (8,5)









For column 9, Number 4 is only possible in cell (9,2)









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









For row 4, number 2 is only possible in cell (9,4)









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









For box 9, candidates for 6 are all in column 8, so you can remove candidates from other blocks.









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









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









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









For box 9, candidates for 1 are all in row 7, so you can remove candidates from other blocks.









Naked Pair for 1 and 5, can remove these as candidates from other cells.









For column 6, Number 5 is only possible in cell (6,2)









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









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









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









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









Number 1 is the only value possible in cell (7,6).









For column 6, Number 1 is only possible in cell (6,5)









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









For row 2, number 8 is only possible in cell (7,2)









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









Number 2 is the only value possible in cell (1,3).









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









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









For column 4, Number 1 is only possible in cell (4,1)









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









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









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









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









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (2,3).









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









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









Number 5 is the only value possible in cell (2,8).









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









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









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









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









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