It shows FS/UWA/RO surfaces 201 and 202 placed in {TAIL ~ front} of {HEAD ~ the users eyes} 203 and 204 
It shows FS / UWA / RO surfaces 201 and 202 placed in { TAIL ~ front } of { HEAD ~ the users eyes } 203 and 204
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH