Mind you, I'm a bit behind in v9B - but thusfar i have done the following patterns
#1
Pc
#2
PP
PPC
#3
PPP
PCP
PPP
#4
PPP
PPP
PPPC
of course, they have been isolated on all sides. I did each style in 1y, 2y, 4y, and 6y deep configurations. Thus far #2 at a 6y has yielded the best results...