I'm not certain what it is you're after, but if I've understood it properly try something like this:
#ACT
mongenp "Bichon,100,100,3" HelloMob 5
AddPath 150, 100
AddPath 150, 150
AddPath 100, 150
AddPath 100, 100
ApplyPath "Bichon,100,100,3" HelloMob
ClearPath
This should, in theory, spawn 5...