{HEAD ~ The outer circles} of the subdivision are graded toward {TAIL ~ a center} of the community such that storm water run off is directed to a center circle, which has a storm water storage capacity 
{ HEAD ~ The outer circles } of the subdivision are graded toward { TAIL ~ a center } of the community such that storm water run off is directed to a center circle , which has a storm water storage capacity
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH