| OiwNj |
P
|
Q
|
R
|
S
|
T
|
v
|
|---|---|---|---|---|---|---|
| (3) |
R
|
R
|
Q
|
R
|
Q
|
PR
|
| { (2) |
R
|
R
|
S
|
Q
|
Q
|
PS
|
| ؉ (2) |
R
|
S
|
Q
|
Q
|
T (2) O
|
PP
|
| (3) |
Q
|
P
|
P
|
(1) P
|
P
|
U
|
| (2) |
R
|
R
|
S
|
Q
|
R
|
PT
|
| (4) |
Q
|
R
|
R
|
O
|
R
|
PP
|
| v |
PU
|
PV
|
PU
|
PO
|
PP
|
VO
|
| w | ||||||
| v |
PQ
|
X
|
X
|
V
|
PO
|
SV
|