A computer readable storage medium having stored {TAIL ~ thereon sequences} of {HEAD ~ instruction} including instructions that cause a processor to: 
A computer readable storage medium having stored { TAIL ~ thereon sequences } of { HEAD ~ instruction } including instructions that cause a processor to :
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH