Step-By-Step Solution:
Initial Grid | |
First step - add in all possible valid pencilmarks. | |
Number 1 is the only value possible in cell (9,1). | ||
Number 8 is the only value possible in cell (9,7). | ||
For row 8, number 6 is only possible in cell (9,8) | ||
For column 4, Number 9 is only possible in cell (4,5) | ||
For column 8, Number 9 is only possible in cell (8,2) | ||
Number 3 is the only value possible in cell (7,1). | ||
Number 5 is the only value possible in cell (7,2). | ||
Number 8 is the only value possible in cell (7,3). | ||
For row 1, number 9 is only possible in cell (5,1) | ||
For column 4, Number 1 is only possible in cell (4,6) | ||
For row 8, number 2 is only possible in cell (7,8) | ||
For row 3, number 5 is only possible in cell (4,3) | ||
Number 7 is the only value possible in cell (4,9). | ||
Number 4 is the only value possible in cell (6,7). | ||
Number 7 is the only value possible in cell (6,1). | ||
Number 4 is the only value possible in cell (3,1). | ||
Number 3 is the only value possible in cell (6,2). | ||
Number 4 is the only value possible in cell (5,2). | ||
Number 3 is the only value possible in cell (4,8). | ||
Number 4 is the only value possible in cell (4,4). | ||
Number 7 is the only value possible in cell (7,4). | ||
Number 9 is the only value possible in cell (7,7). | ||
Number 7 is the only value possible in cell (3,7). | ||
Number 3 is the only value possible in cell (3,3). | ||
Number 7 is the only value possible in cell (1,3). | ||
Number 1 is the only value possible in cell (7,9). | ||
Number 4 is the only value possible in cell (7,5). | ||
Number 7 is the only value possible in cell (8,8). | ||
Number 8 is the only value possible in cell (1,9). | ||
Number 5 is the only value possible in cell (3,8). | ||
Number 1 is the only value possible in cell (2,8). | ||
Number 6 is the only value possible in cell (2,2). | ||
Number 2 is the only value possible in cell (3,2). | ||
Number 1 is the only value possible in cell (1,2). | ||
Number 5 is the only value possible in cell (2,4). | ||
Number 7 is the only value possible in cell (2,5). | ||
Number 4 is the only value possible in cell (2,6). | ||
Number 8 is the only value possible in cell (3,6). | ||
Number 6 is the only value possible in cell (3,5). | ||
Number 3 is the only value possible in cell (8,6). | ||
Number 8 is the only value possible in cell (8,4). | ||
Number 2 is the only value possible in cell (6,4). | ||
Number 3 is the only value possible in cell (1,4). | ||
Number 6 is the only value possible in cell (5,4). | ||
Number 2 is the only value possible in cell (1,5). | ||
Number 1 is the only value possible in cell (8,5). | ||
Number 5 is the only value possible in cell (9,5). | ||
Number 8 is the only value possible in cell (6,5). | ||
Number 3 is the only value possible in cell (5,5). | ||
Number 5 is the only value possible in cell (6,6). | ||
Number 7 is the only value possible in cell (5,6). | ||
Number 2 is the only value possible in cell (9,6). | ||
Number 8 is the only value possible in cell (5,8). | ||
Number 9 is the only value possible in cell (3,9). | ||
Number 5 is the only value possible in cell (5,9). |
