Further, {HEAD ~ embodiments} in {TAIL ~ the Patent Publication} 4 describe only general symmetrical splitting structures 
in
Further , { HEAD ~ embodiments } in { TAIL ~ the Patent Publication } 4 describe only general symmetrical splitting structures
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH