K
㎩q C㎩q q󎩉q
@ @ @
C
C 󏫕
P PC P
Q QC Q
R RC R
P PC P
Q QC Q
R RC R
y yC y
C 󑂒
P PC P
Q QC Q
R RC R
m Cm m
Pm PCm Pm
Qm QCm Qm
Rm RCm Rm