{HEAD ~ Each side} creates {TAIL ~ an angle} between about 50° and about 70° from the base to a side 
{ HEAD ~ Each side } creates { TAIL ~ an angle } between about 50 ° and about 70 ° from the base to a side
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH