ycrr zcrrr 0crrrc 1crr 2crrr

n3rrr o3rrrc p3rr q3rrr r3rrrc

cusrrc dusr eusrr fusrrc gusr

1ktr 2ktrr 3ktrrc 4ktr 5ktrr

qburr rburrc sbur tburr uburrc