Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For column 1, Number 3 is only possible in cell (1,3)









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









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









For column 6, Number 7 is only possible in cell (6,9)









For column 2, Number 7 is only possible in cell (2,8)









For column 8, Number 2 is only possible in cell (8,6)









For column 8, Number 3 is only possible in cell (8,7)









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









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









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









For box 8, candidates for 6 are all in column 4, so you can remove candidates from other blocks.









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









For box 7, candidates for 8 are all in row 9, so you can remove candidates from other blocks.









For blocks 3 and 9, candidates for 8 are all in the same two columns (7 and 8)









Naked Pair for 1 and 4, can remove these as candidates from other cells.









Number 6 is the only value possible in cell (3,2).









Number 9 is the only value possible in cell (8,2).









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









For row 1, number 9 is only possible in cell (5,1)









For row 5, number 9 is only possible in cell (7,5)









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









For row 1, number 2 is only possible in cell (3,1)









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









For row 5, number 7 is only possible in cell (3,5)









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









For row 5, number 8 is only possible in cell (9,5)









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









For column 5, Number 1 is only possible in cell (5,8)









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









For column 2, Number 8 is only possible in cell (2,9)









For column 5, Number 4 is only possible in cell (5,5)









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









Number 4 is the only value possible in cell (1,8).









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









Number 4 is the only value possible in cell (8,1).









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









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









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









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









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









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









Number 4 is the only value possible in cell (9,6).









Number 3 is the only value possible in cell (7,4).









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









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (6,2).









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









Number 5 is the only value possible in cell (3,9).









Number 6 is the only value possible in cell (4,9).









Number 3 is the only value possible in cell (5,9).









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