Answer::
What can you guess about the middle rows of the
two shaded boxes?
Again, the possibilities for the middle row of the
middle box are in green:
| |
5 |
|
6 |
1 |
8 |
|
7 |
|
9 |
9 |
9 |
2 5
|
2 5
9 |
2 9
|
2 5
9 |
2 5
9 |
2 5
9 |
| |
2 |
|
7 |
3 |
4 |
|
6 |
|
Answer: In the middle box, only three numbers
2 5 9 are possible, and there are only three spaces
available. Therefore, those possibilities
are not possible in the spaces in the rows of the
other boxes.
Since there already is a 5 and 2 in the
left-hand box, that eliminates 2 and 5 in the
middle row. 9
is not possible in its middle row since a nine
must be in that row of the middle box..
In the right-hand shaded box, all three
2
5 9 are not possible in the
middle row and must be options in its empty spaces.
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