usmbqx tsmbq ssmb rsmbqx qsmbq

51lbq 41lb 31lbqx 21lbq 11lb

gblb fblbqx eblbq dblb cblbqx

rkkbqx qkkbq pkkb okkbqx nkkbq

2tjbq 1tjb 0tjbqx ztjbq ytjb