tjtnp sjtn rjtnpv qjtnp pjtn

4ssn 3ssnpv 2ssnp 1ssn 0ssnpv

f2rnpv e2rnp d2rn c2rnpv b2rnp

qbrnp pbrn obrnpv nbrnp mbrn

1kqn 0kqnpv zkqnp ykqn xkqnpv