{TAIL ~ The invention} also relates to a program for causing {HEAD ~ a computer} to perform the three dimensional display method 
{ TAIL ~ The invention } also relates to a program for causing { HEAD ~ a computer } to perform the three dimensional display method
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH