R

݂̃[p^[
` a b c
[p^[XPW[
P Q R S T U V W X PO
/B B/B B/C C/A A/A A/D D/C C/C C/C
PP PQ PR PS PT PU PV PW PX QO
C/B B/D D/D D/A A/B B/B B/A A/C C/B B/B
QP QQ QR QS QT QU QV QW QX RO
B/C C/D D/A A/C C/D D/C C/C C/A A/B B/B
RP
B/D