r2schp
q2sch
p2sc
o2schp
n2sch
2bsch
1bsc
0bschp
zbsch
ybsc
dlrc
clrchp
blrch
alrc
9krchp
ouqchp
nuqch
muqc
luqchp
kuqch
z3pch
y3pc
x3pchp
w3pch
v3pc