p
+
pp
p+
p
pp
+b+
pp+
pr+
p+p+ppbp
ppp
+
pp
prp
prp
+
bprp
+p
p
p
+ppr+bp+b+
+pb+bp
+
ppprp++ppp
+
p
p
p
p
pbprppp
+prp++bpb+
b+
pp+
+bp
rprp+r+bp
+pbpp
pp
++
p
+ppbpp
r+rpp
p
++
ppprp
+p
pr++
pp
pp
prppp
+p
p
p+bpppprp+bpr+p
+p
pb+pb+pp++b+p+
+p
pp
p+
pp
+
p
ppb+pp
+b++rpp......
p
p
+b++
pp
ppprp+prpprpbp+pp
p+
pp+pppr+b+r+p
+bp
pp
+rp
p
+
+
p
p
pbpp+
prp
p
+pr+pbp
pbp
+p+
+++bp
pbpp+
+pbp
pbpp+
+r++p
pp
prpr+
ppp+
+p
+pp+p="
pr=""
p="
p
prp
="
=""
r=：，，.