y2zm z2zmb 02zmbq 12zm 22zmb
nt0mb ot0mbq pt0m qt0mb rt0mbq
ck1mbq dk1m ek1mb fk1mbq gk1m
1a2m 2a2mb 3a2mbq 4a2m 5a2mb
q12mb r12mbq s12m t12mb u12mbq