location 1I can only be 5
location 4I can only be 8
location 1E has possibility 3, which is unique to its group
location 1F has possibility 4, which is unique to its group
location 6F has possibility 9, which is unique to its group
removing possibility 9 from square 4B due to row-uniques in block 0
removing possibility 2 from square 3B due to column-uniques in block 3
removing possibility 2 from square 3C due to column-uniques in block 3
removing possibility 5 from square 5B due to column-uniques in block 4
removing possibility 7 from square 5B due to column-uniques in block 4
removing possibility 5 from square 5C due to column-uniques in block 4
removing possibility 7 from square 5C due to column-uniques in block 4
removing possibility 7 from square 5G due to column-uniques in block 4
removing possibility 7 from square 5H due to column-uniques in block 4
location 4A has possibility 9, which is unique to its group
location 1C has possibility 2, which is unique to its group
location 6B has possibility 5, which is unique to its group
location 5B has possibility 2, which is unique to its group
location 4B has possibility 4, which is unique to its group
removing possibility 3 from square 7C due to row-uniques in block 1

    1 2 3   4 5 6   7 8 9        1 2 3   4 5 6   7 8 9
   _______________________      _______________________
A | 0 4 3 | 0 8 0 | 2 5 0 |    | 0 4 3 | 9 8 0 | 2 5 0 |
B | 6 0 0 | 0 0 0 | 0 0 0 |    | 6 0 0 | 4 2 5 | 0 0 0 |
C | 0 0 0 | 0 0 1 | 0 9 4 |    | 2 0 0 | 0 0 1 | 0 9 4 |
  |-------+-------+-------|    |-------+-------+-------|
D | 9 0 0 | 0 0 4 | 0 7 0 |    | 9 0 0 | 0 0 4 | 0 7 0 |
E | 0 0 0 | 6 0 8 | 0 0 0 |    | 3 0 0 | 6 0 8 | 0 0 0 |
F | 0 1 0 | 2 0 0 | 0 0 3 |    | 4 1 0 | 2 0 9 | 0 0 3 |
  |-------+-------+-------|    |-------+-------+-------|
G | 8 2 0 | 5 0 0 | 0 0 0 |    | 8 2 0 | 5 0 0 | 0 0 0 |
H | 0 0 0 | 0 0 0 | 0 0 5 |    | 0 0 0 | 0 0 0 | 0 0 5 |
I | 0 3 4 | 0 9 0 | 7 1 0 |    | 5 3 4 | 8 9 0 | 7 1 0 |
   -----------------------      -----------------------
Time: 9.354ms