{HEAD ~ A portion} of {TAIL ~ each} of the caches of the first and second clusters is allocated to a buffer equal in size to the larger NVS buffer 
{ HEAD ~ A portion } of { TAIL ~ each } of the caches of the first and second clusters is allocated to a buffer equal in size to the larger NVS buffer
HEAD HEAD HEAD HEAD HEAD HEAD REL 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