.4 = aCT I + II + III + IV

86 .....x.....4 .....=.....344

x................................x

86 .....x.....4 .....=.....344
_____.......................______
7,396........ ..............118,336

86 = 54 Oed + 32 pre-Oed

the no of hETERO
& hOMO-eROTiC
twoGETHERiNGs