q2snp p2sn o2snpn n2snp m2sn
1bsn 0bsnpn zbsnp ybsn xbsnpn
clrnpn blrnp alrn 9krnpn 8krnp
nuqnp muqn luqnpn kuqnp juqn
y3pn x3pnpn w3pnp v3pn u3pnpn