|
|
In this example, "3" and "0" are next to each other. |
|---|---|
|
|
No lines can be drawn on the four edges around "0". |
|
|
Then you can draw lines on the remaining three edges around "3". |
|
|
And, since there are only one way for the parallel lines around "3" to go, they will be extended like this. |
| Rule of adjacent "3 and 0" | |
|
