X
x x x x x X x x x
N N
AAAN ABB BN BA B A B AB
ABC AB C A C A B A B C
l
N N
A B C D E X Y Z
Kissingev
l I x
x x x x x x
n tn n tn tn
tn n n tn nn n n n
x x x x x x x
Sh hs F G G gv V Sh P F S G S Vpg S Shpg S hpg P h gh p g
P PSh
G E
DNA DNA DNA
E
B
SRN SRN
B B
B B
E
E
OK
PA