sb4m rb4mba qb4mb pb4m ob4mba
3k3mba 2k3mb 1k3m 0k3mba zk3mb
eu2mb du2m cu2mba bu2mb au2m
p31m o31mba n31mb m31m l31mba
0c1mba zc1mb yc1m xc1mba wc1mb