a) i
 T->* t f <Vf'mir '-~MA>^
 X Xi
 V
 S v B


r,





"-I






'.^a J


T T T T
4 o


 XX / "

 x x x x

 xxx x x xY
 X X X X NX
X X X X v !

 Si,








 GX XEX X3
 I <I






 x x":x x:
j ^_^ x x'








 FIGURE 3-7


TWO DIFFERENT INDEX ORDERINGS


b) tJ

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