{HEAD ~ The cavity resonator} within {TAIL ~ the block} is configured in a tightly folded zig zag configuration 
within
{ HEAD ~ The cavity resonator } within { TAIL ~ the block } is configured in a tightly folded zig zag configuration
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH