p3kc q3kcr r3kcrw s3kc t3kcr
eulcr fulcrw gulc hulcr iulcrw
3kmcrw 4kmc 5kmcr 6kmcrw 7kmc
sbnc tbncr ubncrw vbnc wbncr
h2ncr i2ncrw j2nc k2ncr l2ncrw