Edge template IV2j
Red has two threats:
For a blocking attempt Blue has to play on the overlap field:
Red 4 is connected to the bottom and also to the top by one of the two fields marked with +.
This template has an extraneous hex. The correct template is:
The first threat needs to be modified to:
There are now two overlap points. The response to the first is the same as above. The response to the second is: