Edge template IV3b

The template:

If the middle red piece is removed, the template stays valid, as long as the two remaining stones are connected to each others in some other way.

(From: www.drking.org.uk)

Red has this threat:

For trying to block the connection Blue has to play on the 5 fields used by that threat.

Moves 1-3 (f2, e3, e4):

These 3 moves can be covered in a single line of play by Red:

Red 4 is connected to the bottom by III-2-e.

Move 4 (e2):

Red 6 is connected to the top by the two fields marked with +.

Move 5 (d4):

Red 4 is connected to the top by the two fields marked with +.