4arp 3arpn2 2arpn 1arp 0arpn2

fkqpn2 ekqpn dkqp ckqpn2 bkqpn

qtppn ptpp otppn2 ntppn mtpp

12op 02opn2 z2opn y2op x2opn2

ccopn2 bcopn acop 9bopn2 8bopn