rbqnpe qbqnp pbqn obqnpe nbqnp
2kpnp 1kpn 0kpnpe zkpnp ykpn
duon cuonpe buonp auon 9tonpe
o3nnpe n3nnp m3nn l3nnpe k3nnp
zcnnp ycnn xcnnpe wcnnp vcnn